2021-10-03 19:56:35 +02:00
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tool
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2021-10-03 01:07:39 +02:00
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extends Reference
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const Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
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2021-10-12 22:23:31 +02:00
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#----------------------
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#sdarc.mmg
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#An arc as a signed distance function
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#"outputs": [
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#{
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# "longdesc": "The arc as a signed distance function",
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# "sdf2d": "sdArc($uv-vec2(0.5), mod($a1, 360.0)*0.01745329251, mod($a2, 360.0)*0.01745329251, $r1, $r2)",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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#}
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#],
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#"parameters": [
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#{
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# "control": "Angle1.a",
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# "default": 0,
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# "label": "Angle 1",
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# "longdesc": "The first angle of the arc",
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# "max": 180,
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# "min": -180,
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# "name": "a1",
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# "shortdesc": "Angle1",
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# "step": 1,
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# "type": "float"
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#},
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#{
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# "control": "Angle2.a",
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# "default": 0,
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# "label": "Angle 2",
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# "longdesc": "The second angle of the arc",
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# "max": 180,
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# "min": -180,
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# "name": "a2",
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# "shortdesc": "Angle2",
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# "step": 1,
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# "type": "float"
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#},
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#{
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# "control": "Radius1.r",
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# "default": 0.5,
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# "label": "Radius",
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# "longdesc": "The radius of the arc",
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# "max": 1,
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# "min": 0,
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# "name": "r1",
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# "shortdesc": "Radius",
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# "step": 0.01,
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# "type": "float"
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#},
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#{
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# "control": "Radius11.r",
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# "default": 0.1,
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# "label": "Width",
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# "longdesc": "The width of the shape around the arc",
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# "max": 1,
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# "min": 0,
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# "name": "r2",
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# "shortdesc": "Width",
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# "step": 0.01,
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# "type": "float"
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#}
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#]
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#----------------------
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#sdboolean.mmg
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#Performs a boolean operation (union, intersection or difference) between two shapes
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#"inputs": [
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#{
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# "default": "0.0",
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# "label": "",
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# "longdesc": "The first shape, defined as a signed distance function",
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# "name": "in1",
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# "shortdesc": "Input1",
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# "type": "sdf2d"
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#},
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#{
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# "default": "0.0",
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# "label": "",
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# "longdesc": "The second shape, defined as a signed distance function",
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# "name": "in2",
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# "shortdesc": "Input2",
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# "type": "sdf2d"
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#}
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#],
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#"outputs": [
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#{
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# "longdesc": "The shape generated by the boolean operation",
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# "sdf2d": "$op $in1($uv), $in2($uv))",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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#}
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#],
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#"parameters": [
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#{
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# "default": 2,
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# "label": "",
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# "longdesc": "The operation performed by this node",
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# "name": "op",
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# "shortdesc": "Operation",
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# "type": "enum",
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# "values": [
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# {
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# "name": "Union",
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# "value": "min("
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# },
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# {
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# "name": "Subtraction",
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# "value": "max(-"
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# },
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# {
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# "name": "Intersection",
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# "value": "max("
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# }
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# ]
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#}
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#],
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#----------------------
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#sdbox.mmg
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#A rectangle described as a signed distance function
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# "code": "vec2 $(name_uv)_d = abs($uv-vec2($cx+0.5, $cy+0.5))-vec2($w, $h);",
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# "outputs": [
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# {
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# "longdesc": "The generated signed distance function",
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# "sdf2d": "length(max($(name_uv)_d,vec2(0)))+min(max($(name_uv)_d.x,$(name_uv)_d.y),0.0)",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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# }
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# ],
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# "parameters": [
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# {
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# "control": "Rect1.x",
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# "default": 0.5,
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# "label": "Width",
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# "longdesc": "The width of the box",
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# "max": 1,
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# "min": 0,
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# "name": "w",
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# "shortdesc": "Width",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "Rect1.y",
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# "default": 1,
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# "label": "Height",
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# "longdesc": "The height of the box",
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# "max": 1,
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# "min": 0,
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# "name": "h",
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# "shortdesc": "Height",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "P1.x",
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# "default": 0,
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# "label": "Center X",
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# "longdesc": "The position of the center of the box on the X axis",
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# "max": 1,
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# "min": -1,
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# "name": "cx",
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# "shortdesc": "Center.x",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "P1.y",
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# "default": 0,
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# "label": "Center Y",
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# "longdesc": "The position of the center of the box on the Y axis",
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# "max": 1,
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# "min": -1,
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# "name": "cy",
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# "shortdesc": "Center.y",
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# "step": 0.01,
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# "type": "float"
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# }
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# ],
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#----------------------
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#sdcircle.mmg
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#A circle described as a signed distance function
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# "outputs": [
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# {
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# "longdesc": "The generated signed distance function",
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# "sdf2d": "length($uv-vec2($cx+0.5, $cy+0.5))-$r",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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# }
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# ],
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# "parameters": [
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# {
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# "control": "Radius1.r",
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# "default": 0.5,
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# "label": "Radius",
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# "longdesc": "The radius of the circle",
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# "max": 1,
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# "min": 0,
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# "name": "r",
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# "shortdesc": "Radius",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "P1.x",
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# "default": 0,
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# "label": "Center X",
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# "longdesc": "The position of the center on the X axis",
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# "max": 1,
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# "min": -1,
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# "name": "cx",
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# "shortdesc": "Center.x",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "P1.y",
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# "default": 0,
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# "label": "Center Y",
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# "longdesc": "The position of the center on the Y axis",
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# "max": 1,
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# "min": -1,
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# "name": "cy",
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# "shortdesc": "Center.y",
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# "step": 0.01,
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# "type": "float"
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# }
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# ],
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#----------------------
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#sdcirclerepeat.mmg
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#Repeats its input shape around a circle
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# "inputs": [
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# {
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# "default": "0.0",
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# "label": "",
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# "longdesc": "The input shape, defined as a signed distance function",
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# "name": "in",
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# "shortdesc": "Input",
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# "type": "sdf2d"
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# }
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# ],
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# "outputs": [
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# {
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# "longdesc": "The shape generated by the repeat operation",
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# "sdf2d": "$in(circle_repeat_transform_2d($uv-vec2(0.5), $c)+vec2(0.5))",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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# }
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# ],
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# "parameters": [
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# {
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# "control": "None",
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# "default": 4,
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# "label": "",
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# "longdesc": "The number of repetitions of the input shape around the circle",
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# "max": 32,
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# "min": 1,
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# "name": "c",
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# "shortdesc": "Count",
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# "step": 1,
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# "type": "float"
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# }
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# ],
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#----------------------
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#sdelongation.mmg
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# "inputs": [
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# {
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# "default": "0.0",
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# "label": "",
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# "name": "in",
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# "type": "sdf2d"
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# }
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# ],
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# "outputs": [
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# {
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# "sdf2d": "$in($uv-clamp($uv-vec2(0.5), -vec2($x, $y), vec2($x, $y)))",
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# "type": "sdf2d"
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# }
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# ],
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# "parameters": [
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# {
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# "control": "Rect1.x",
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# "default": 0,
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# "label": "X",
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# "max": 1,
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# "min": 0,
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# "name": "x",
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# "step": 0.01,
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# "type": "float"
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# },
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# {
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# "control": "Rect1.y",
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# "default": 0,
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# "label": "Y",
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# "max": 1,
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# "min": 0,
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# "name": "y",
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# "step": 0.01,
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# "type": "float"
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# }
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# ]
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#----------------------
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#sdline.mmg
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#A line or a capsule shape described as a signed distance function
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# "code": "vec2 $(name_uv)_sdl = sdLine($uv, vec2($ax+0.5, $ay+0.5), vec2($bx+0.5, $by+0.5));",
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# "outputs": [
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# {
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# "longdesc": "The shape as signed distance function",
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# "sdf2d": "$(name_uv)_sdl.x-$r*$profile($(name_uv)_sdl.y)",
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# "shortdesc": "Output",
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# "type": "sdf2d"
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# }
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# ],
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# "parameters": [
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# {
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# "control": "P1.x",
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# "default": 0,
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# "label": "A X",
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# "longdesc": "The position on the X axis of the first point of the line",
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# "max": 1,
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# "min": -1,
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# "name": "ax",
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# "shortdesc": "A.x",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.y",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "A Y",
|
|
|
|
|
# "longdesc": "The position on the Y axis of the first point of the line",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "ay",
|
|
|
|
|
# "shortdesc": "A.y",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P2.x",
|
|
|
|
|
# "default": 1,
|
|
|
|
|
# "label": "B X",
|
|
|
|
|
# "longdesc": "The position on the X axis of the second point of the line",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "bx",
|
|
|
|
|
# "shortdesc": "B.x",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P2.y",
|
|
|
|
|
# "default": 1,
|
|
|
|
|
# "label": "B Y",
|
|
|
|
|
# "longdesc": "The position on the Y axis of the second point of the line",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "by",
|
|
|
|
|
# "shortdesc": "B.y",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Radius1.r",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Width",
|
|
|
|
|
# "longdesc": "The width of the capsule shape around the line",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "r",
|
|
|
|
|
# "shortdesc": "Width",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "default": {
|
|
|
|
|
# "points": [
|
|
|
|
|
# {
|
|
|
|
|
# "ls": 0,
|
|
|
|
|
# "rs": 0,
|
|
|
|
|
# "x": 0,
|
|
|
|
|
# "y": 1
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "ls": 0,
|
|
|
|
|
# "rs": 0,
|
|
|
|
|
# "x": 1,
|
|
|
|
|
# "y": 1
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "type": "Curve"
|
|
|
|
|
# },
|
|
|
|
|
# "label": "Profile",
|
|
|
|
|
# "name": "profile",
|
|
|
|
|
# "type": "curve"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdmorph.mmg
|
|
|
|
|
#Morphs between 2 input shapes
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The first shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in1",
|
|
|
|
|
# "shortdesc": "Input1",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The second shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in2",
|
|
|
|
|
# "shortdesc": "Input2",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The generated hybrid shape",
|
|
|
|
|
# "sdf2d": "mix($in1($uv), $in2($uv), $amount)",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0.5,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The amount of the second input in the result",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "amount",
|
|
|
|
|
# "shortdesc": "Amount",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdngon.mmg (inc sdrotate.mmg, sdcirclerepeat.mmg)
|
|
|
|
|
#An n-gon described as a signed distance function
|
|
|
|
|
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The n-gon as a signed distance function",
|
|
|
|
|
# "sdf2d": "sdNgon(sdf2d_rotate($uv-vec2($cx, $cy), $rot*0.01745329251-1.57079632679)-vec2(0.5), $r, $n)",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 3,
|
|
|
|
|
# "label": "N",
|
|
|
|
|
# "longdesc": "The number of sides of the n-gon",
|
|
|
|
|
# "max": 12,
|
|
|
|
|
# "min": 3,
|
|
|
|
|
# "name": "n",
|
|
|
|
|
# "shortdesc": "N",
|
|
|
|
|
# "step": 1,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Radius1.r",
|
|
|
|
|
# "default": 0.5,
|
|
|
|
|
# "label": "Radius",
|
|
|
|
|
# "longdesc": "The radius of the n-gon",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "r",
|
|
|
|
|
# "shortdesc": "Radius",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Radius1.a",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Rotation",
|
|
|
|
|
# "longdesc": "The rotation of the n-gon",
|
|
|
|
|
# "max": 180,
|
|
|
|
|
# "min": -180,
|
|
|
|
|
# "name": "rot",
|
|
|
|
|
# "shortdesc": "Rotation",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.x",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Center X",
|
|
|
|
|
# "longdesc": "The position of the center on the X axis",
|
|
|
|
|
# "max": 0.5,
|
|
|
|
|
# "min": -0.5,
|
|
|
|
|
# "name": "cx",
|
|
|
|
|
# "shortdesc": "Center.x",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.y",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Center Y",
|
|
|
|
|
# "longdesc": "The position of the center on the Y axis",
|
|
|
|
|
# "max": 0.5,
|
|
|
|
|
# "min": -0.5,
|
|
|
|
|
# "name": "cy",
|
|
|
|
|
# "shortdesc": "Center.y",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdpolygon.mmg
|
|
|
|
|
#A polygon as a signed distance function
|
|
|
|
|
|
|
|
|
|
# "instance": "float sdPolygon_$(name)(vec2 p) {vec2 v[] = $polygon;int l = v.length(); float d = dot(p-v[0],p-v[0]); float s = 1.0;int j = l-1; for(int i=0; i<l; i++) { vec2 e = v[j] - v[i]; vec2 w = p - v[i]; vec2 b = w - e*clamp( dot(w,e)/dot(e,e), 0.0, 1.0 ); d = min( d, dot(b,b) ); bvec3 c = bvec3(p.y>=v[i].y,p.y<v[j].y,e.x*w.y>e.y*w.x); if( all(c) || all(not(c)) ) s*=-1.0;j=i; } return s*sqrt(d);}",
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The polygon as a signed distance function",
|
|
|
|
|
# "sdf2d": "sdPolygon_$(name)($uv)",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": {
|
|
|
|
|
# "points": [
|
|
|
|
|
# {
|
|
|
|
|
# "x": 0.2,
|
|
|
|
|
# "y": 0.2
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "x": 0.4,
|
|
|
|
|
# "y": 0.7
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "x": 0.7,
|
|
|
|
|
# "y": 0.4
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "type": "Polygon"
|
|
|
|
|
# },
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The polygon to be drawn",
|
|
|
|
|
# "name": "polygon",
|
|
|
|
|
# "shortdesc": "Polygon",
|
|
|
|
|
# "type": "polygon"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdrepeat.mmg
|
|
|
|
|
#Repeats its input shape on a grid.This node does not support overlapping between instances.
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The shape generated by the repeat operation",
|
|
|
|
|
# "sdf2d": "$in(repeat_2d($uv, vec2(1.0/$rx, 1.0/$ry), float($seed), $r))",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 4,
|
|
|
|
|
# "label": "X",
|
|
|
|
|
# "longdesc": "The number of columns in the grid",
|
|
|
|
|
# "max": 32,
|
|
|
|
|
# "min": 1,
|
|
|
|
|
# "name": "rx",
|
|
|
|
|
# "shortdesc": "Columns",
|
|
|
|
|
# "step": 1,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 4,
|
|
|
|
|
# "label": "Y",
|
|
|
|
|
# "longdesc": "The number of lines in the grid",
|
|
|
|
|
# "max": 32,
|
|
|
|
|
# "min": 1,
|
|
|
|
|
# "name": "ry",
|
|
|
|
|
# "shortdesc": "Lines",
|
|
|
|
|
# "step": 1,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0.5,
|
|
|
|
|
# "label": "R",
|
|
|
|
|
# "longdesc": "The amount of random rotation on each instance of the input shape",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "r",
|
|
|
|
|
# "shortdesc": "Rotation",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdrhombus.mmg
|
|
|
|
|
#A rhombus described as a signed distance function
|
|
|
|
|
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The rhombus as a signed distance function",
|
|
|
|
|
# "sdf2d": "sdRhombus($uv-vec2($cx+0.5, $cy+0.5), vec2($w, $h))",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Rect1.x",
|
|
|
|
|
# "default": 0.5,
|
|
|
|
|
# "label": "Width",
|
|
|
|
|
# "longdesc": "The width of the rhombus",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "w",
|
|
|
|
|
# "shortdesc": "Width",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Rect1.y",
|
|
|
|
|
# "default": 1,
|
|
|
|
|
# "label": "Height",
|
|
|
|
|
# "longdesc": "The height of the rhombus",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "h",
|
|
|
|
|
# "shortdesc": "Height",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.x",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Center X",
|
|
|
|
|
# "longdesc": "The position of the center on the X axis",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "cx",
|
|
|
|
|
# "shortdesc": "Center.x",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.y",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Center Y",
|
|
|
|
|
# "longdesc": "The position of the center on the Y axis",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "cy",
|
|
|
|
|
# "shortdesc": "Center.y",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdrotate.mmg
|
|
|
|
|
#Rotates its input shape described as a signed distance function
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The rotated shape",
|
|
|
|
|
# "sdf2d": "$in(sdf2d_rotate($uv, $a*0.01745329251))",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Radius1.a",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The rotation angle",
|
|
|
|
|
# "max": 180,
|
|
|
|
|
# "min": -180,
|
|
|
|
|
# "name": "a",
|
|
|
|
|
# "shortdesc": "Angle",
|
|
|
|
|
# "step": 1,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdroundedshape.mmg
|
|
|
|
|
#Dilates an input shape into a rounded shape
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The shape generated by the operation",
|
|
|
|
|
# "sdf2d": "$in($uv)-$r",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The length of the dilate operation",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "r",
|
|
|
|
|
# "shortdesc": "Radius",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdscale.mmg
|
|
|
|
|
#Scales its input shape described as a signed distance function
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The generated scaled shape",
|
|
|
|
|
# "sdf2d": "$in(($uv-vec2(0.5))/$s+vec2(0.5))*$s",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "Scale1.x",
|
|
|
|
|
# "default": 1,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The scale of the transform",
|
|
|
|
|
# "max": 5,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "s",
|
|
|
|
|
# "shortdesc": "Scale",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdshow.mmg
|
|
|
|
|
#Creates a greyscale image from a shape described as a 2D Signed Distance Function
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "f": "clamp($base-$in($uv)/max($bevel, 0.00001), 0.0, 1.0)",
|
|
|
|
|
# "longdesc": "Shows the shape as a greyscale image",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "f"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Bevel",
|
|
|
|
|
# "longdesc": "The width of the gradient at the edges of the shape",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "bevel",
|
|
|
|
|
# "shortdesc": "Bevel",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Base",
|
|
|
|
|
# "longdesc": "The base value of the output",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "base",
|
|
|
|
|
# "shortdesc": "Base",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdsmoothboolean.mmg
|
|
|
|
|
#Performs a smooth boolean operation (union, intersection or difference) between two shapes
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The first shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in1",
|
|
|
|
|
# "shortdesc": "Input1",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The second shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in2",
|
|
|
|
|
# "shortdesc": "Input2",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The shape generated by the boolean operation",
|
|
|
|
|
# "sdf2d": "sdSmooth$op($in1($uv), $in2($uv), $k)",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The operation performed by this node",
|
|
|
|
|
# "name": "op",
|
|
|
|
|
# "shortdesc": "Operation",
|
|
|
|
|
# "type": "enum",
|
|
|
|
|
# "values": [
|
|
|
|
|
# {
|
|
|
|
|
# "name": "Union",
|
|
|
|
|
# "value": "Union"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "name": "Subtraction",
|
|
|
|
|
# "value": "Subtraction"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "name": "Intersection",
|
|
|
|
|
# "value": "Intersection"
|
|
|
|
|
# }
|
|
|
|
|
# ]
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "None",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The smoothness of the boolean operation",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": 0,
|
|
|
|
|
# "name": "k",
|
|
|
|
|
# "shortdesc": "Smoothness",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
|
|
|
|
#----------------------
|
|
|
|
|
#sdtranslate.mmg
|
|
|
|
|
#Translates its input shape described as signed distance function
|
|
|
|
|
|
|
|
|
|
# "inputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "default": "0.0",
|
|
|
|
|
# "label": "",
|
|
|
|
|
# "longdesc": "The input shape, defined as a signed distance function",
|
|
|
|
|
# "name": "in",
|
|
|
|
|
# "shortdesc": "Input",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "outputs": [
|
|
|
|
|
# {
|
|
|
|
|
# "longdesc": "The translated shape",
|
|
|
|
|
# "sdf2d": "$in($uv-vec2($x, $y))",
|
|
|
|
|
# "shortdesc": "Output",
|
|
|
|
|
# "type": "sdf2d"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
# "parameters": [
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.x",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "X",
|
|
|
|
|
# "longdesc": "The translation along the X axis",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "x",
|
|
|
|
|
# "shortdesc": "Translate.x",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# },
|
|
|
|
|
# {
|
|
|
|
|
# "control": "P1.y",
|
|
|
|
|
# "default": 0,
|
|
|
|
|
# "label": "Y",
|
|
|
|
|
# "longdesc": "The translation along the Y axis",
|
|
|
|
|
# "max": 1,
|
|
|
|
|
# "min": -1,
|
|
|
|
|
# "name": "y",
|
|
|
|
|
# "shortdesc": "Translate.y",
|
|
|
|
|
# "step": 0.01,
|
|
|
|
|
# "type": "float"
|
|
|
|
|
# }
|
|
|
|
|
# ],
|
|
|
|
|
|
2021-10-03 01:07:39 +02:00
|
|
|
static func sdf_show(val : float, bevel : float) -> Color:
|
|
|
|
|
var f : float = clamp(-val / max(bevel, 0.00001), 0.0, 1.0);
|
|
|
|
|
|
|
|
|
|
return Color(f, f, f, 1)
|
|
|
|
|
|
|
|
|
|
static func sdf_circle(uv : Vector2, c : Vector2, r : float) -> float:
|
|
|
|
|
c.x += 0.5
|
|
|
|
|
c.y += 0.5
|
|
|
|
|
|
|
|
|
|
return (uv - c).length() - r;
|
|
|
|
|
|
|
|
|
|
static func sdf_box(uv : Vector2, c : Vector2, wh : Vector2) -> float:
|
|
|
|
|
c.x += 0.5
|
|
|
|
|
c.y += 0.5
|
|
|
|
|
|
|
|
|
|
var d : Vector2 = Commons.absv2(uv - c) - wh
|
|
|
|
|
|
|
|
|
|
return Commons.maxv2(d, Vector2(0, 0)).length() + min(max(d.x, d.y), 0.0)
|
|
|
|
|
|
|
|
|
|
static func sdf_line(uv : Vector2, a : Vector2, b : Vector2, r : float) -> float:
|
|
|
|
|
a.x += 0.5
|
|
|
|
|
a.y += 0.5
|
|
|
|
|
|
|
|
|
|
b.x += 0.5
|
|
|
|
|
b.y += 0.5
|
|
|
|
|
|
|
|
|
|
return sdLine(uv, a, b) - r
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static func sdf_rhombus(uv : Vector2, c : Vector2, wh : Vector2) -> float:
|
|
|
|
|
c.x += 0.5
|
|
|
|
|
c.y += 0.5
|
|
|
|
|
|
|
|
|
|
return sdRhombus(uv - c, wh);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static func sdf_arc(uv : Vector2, a : Vector2, r : Vector2) -> float:
|
|
|
|
|
return sdArc(uv - Vector2(0.5, 0.5), Commons.modf(a.x, 360.0) * 0.01745329251, Commons.modf(a.y, 360.0)*0.01745329251, r.x, r.y)
|
|
|
|
|
|
2021-10-12 22:23:31 +02:00
|
|
|
#float sdr_ndot(vec2 a, vec2 b) {
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# return a.x*b.x - a.y*b.y;
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#}
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2021-10-03 01:07:39 +02:00
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static func sdr_ndot(a : Vector2, b : Vector2) -> float:
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return a.x * b.x - a.y * b.y;
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2021-10-12 22:23:31 +02:00
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#float sdRhombus(in vec2 p, in vec2 b) {
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# vec2 q = abs(p);
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# float h = clamp((-2.0*sdr_ndot(q,b)+sdr_ndot(b,b))/dot(b,b),-1.0,1.0);
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# float d = length( q - 0.5*b*vec2(1.0-h,1.0+h) );
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# return d * sign( q.x*b.y + q.y*b.x - b.x*b.y );
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#}
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2021-10-03 01:07:39 +02:00
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static func sdRhombus(p : Vector2, b : Vector2) -> float:
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var q : Vector2 = Commons.absv2(p);
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var h : float = clamp((-2.0 * sdr_ndot(q,b) + sdr_ndot(b,b)) / b.dot(b), -1.0, 1.0);
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var d : float = ( q - 0.5*b * Vector2(1.0-h, 1.0+h)).length()
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return d * sign(q.x*b.y + q.y*b.x - b.x*b.y)
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2021-10-12 22:23:31 +02:00
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#float sdArc(vec2 p, float a1, float a2, float ra, float rb) {
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# float amid = 0.5*(a1+a2)+1.6+3.14*step(a1, a2);
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# float alength = 0.5*(a1-a2)-1.6+3.14*step(a1, a2);
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#
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# vec2 sca = vec2(cos(amid), sin(amid));
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# vec2 scb = vec2(cos(alength), sin(alength));
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# p *= mat2(vec2(sca.x,sca.y),vec2(-sca.y,sca.x));
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# p.x = abs(p.x);
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#
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# float k = (scb.y*p.x>scb.x*p.y) ? dot(p.xy,scb) : length(p.xy);
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# return sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;
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#}
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2021-10-03 01:07:39 +02:00
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static func sdArc(p : Vector2, a1 : float, a2 : float, ra : float, rb : float) -> float:
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var amid : float = 0.5*(a1+a2)+1.6+3.14 * Commons.step(a1, a2);
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var alength : float = 0.5*(a1-a2)-1.6+3.14 * Commons.step(a1, a2);
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var sca : Vector2 = Vector2(cos(amid), sin(amid));
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var scb : Vector2 = Vector2(cos(alength), sin(alength));
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#p *= Matrix(Vector2(sca.x , sca.y), Vector2(-sca.y, sca.x));
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var pt : Vector2 = p
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p.x = pt.x * sca.x + pt.y * sca.y
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p.y = pt.x * -sca.y + pt.y * sca.x
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p.x = abs(p.x);
|
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|
var k : float
|
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|
if (scb.y * p.x > scb.x * p.y):
|
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|
k = p.dot(scb)
|
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|
else:
|
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|
k = p.length();
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return sqrt( p.dot(p) + ra * ra - 2.0 * ra * k ) - rb;
|
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static func sdf_boolean_union(a : float, b : float) -> float:
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|
|
return min(a, b)
|
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|
|
static func sdf_boolean_substraction(a : float, b : float) -> float:
|
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|
|
return max(-a, b)
|
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|
|
static func sdf_boolean_intersection(a : float, b : float) -> float:
|
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|
|
return max(a, b)
|
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|
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|
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|
|
static func sdf_smooth_boolean_union(d1 : float, d2 : float, k : float) -> float:
|
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|
|
var h : float = clamp( 0.5 + 0.5 * (d2 - d1) / k, 0.0, 1.0)
|
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|
|
return lerp(d2, d1, h) - k * h * (1.0 - h)
|
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|
|
static func sdf_smooth_boolean_substraction(d1 : float, d2 : float, k : float) -> float:
|
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|
|
var h : float = clamp( 0.5 - 0.5 * (d2 + d1) / k, 0.0, 1.0)
|
|
|
|
|
return lerp(d2, -d1, h) + k * h * (1.0 - h)
|
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|
|
static func sdf_smooth_boolean_intersection(d1 : float, d2 : float, k : float) -> float:
|
|
|
|
|
var h : float = clamp( 0.5 - 0.5 * (d2 - d1) / k, 0.0, 1.0)
|
|
|
|
|
return lerp(d2, d1, h) + k * h * (1.0 - h)
|
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|
|
|
|
|
|
|
static func sdf_rounded_shape(a : float, r : float) -> float:
|
|
|
|
|
return a - r
|
|
|
|
|
|
|
|
|
|
static func sdf_annular_shape(a : float, r : float) -> float:
|
|
|
|
|
return abs(a) - r
|
|
|
|
|
|
|
|
|
|
static func sdf_morph(a : float, b : float, amount : float) -> float:
|
|
|
|
|
return lerp(a, b, amount)
|
|
|
|
|
|
2021-10-12 22:23:31 +02:00
|
|
|
#vec2 sdLine(vec2 p, vec2 a, vec2 b) {
|
|
|
|
|
# vec2 pa = p-a, ba = b-a;
|
|
|
|
|
# float h = clamp(dot(pa,ba)/dot(ba,ba), 0.0, 1.0);
|
|
|
|
|
# return vec2(length(pa-ba*h), h);
|
|
|
|
|
#}
|
|
|
|
|
|
2021-10-03 01:07:39 +02:00
|
|
|
static func sdLine(p : Vector2, a : Vector2, b : Vector2) -> float:
|
|
|
|
|
var pa : Vector2 = p - a
|
|
|
|
|
var ba : Vector2 = b - a
|
|
|
|
|
|
|
|
|
|
var h : float = clamp(pa.dot(ba) / ba.dot(ba), 0.0, 1.0);
|
|
|
|
|
|
|
|
|
|
return (pa - (ba * h)).length()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#Needs thought
|
|
|
|
|
#func sdf_translate(a : float, x : float, y : float) -> float:
|
|
|
|
|
# return lerp(a, b, amount)
|
|
|
|
|
|
2021-10-12 22:23:31 +02:00
|
|
|
#vec2 sdf2d_rotate(vec2 uv, float a) {
|
|
|
|
|
# vec2 rv;
|
|
|
|
|
# float c = cos(a);
|
|
|
|
|
# float s = sin(a);
|
|
|
|
|
# uv -= vec2(0.5);
|
|
|
|
|
# rv.x = uv.x*c+uv.y*s;
|
|
|
|
|
# rv.y = -uv.x*s+uv.y*c;
|
|
|
|
|
# return rv+vec2(0.5);
|
|
|
|
|
#}
|
|
|
|
|
|
2021-10-03 01:07:39 +02:00
|
|
|
static func sdf2d_rotate(uv : Vector2, a : float) -> Vector2:
|
|
|
|
|
var rv : Vector2;
|
|
|
|
|
var c : float = cos(a);
|
|
|
|
|
var s : float = sin(a);
|
|
|
|
|
uv -= Vector2(0.5, 0.5);
|
|
|
|
|
rv.x = uv.x*c+uv.y*s;
|
|
|
|
|
rv.y = -uv.x*s+uv.y*c;
|
|
|
|
|
return rv+Vector2(0.5, 0.5);
|
|
|
|
|
|
|
|
|
|
# signed distance to a quadratic bezier
|
|
|
|
|
static func sdBezier(pos : Vector2, A : Vector2, B : Vector2, C : Vector2) -> Vector2:
|
|
|
|
|
var a : Vector2 = B - A;
|
|
|
|
|
var b : Vector2 = A - 2.0*B + C;
|
|
|
|
|
var c : Vector2 = a * 2.0;
|
|
|
|
|
var d : Vector2 = A - pos;
|
|
|
|
|
|
|
|
|
|
var kk : float = 1.0 / b.dot(b);
|
|
|
|
|
var kx : float = kk * a.dot(b);
|
|
|
|
|
var ky : float = kk * (2.0* a.dot(a) + d.dot(b)) / 3.0;
|
|
|
|
|
var kz : float = kk * d.dot(a);
|
|
|
|
|
|
|
|
|
|
var res : float = 0.0;
|
|
|
|
|
var sgn : float = 0.0;
|
|
|
|
|
|
|
|
|
|
var p : float = ky - kx * kx;
|
|
|
|
|
var p3 : float = p*p*p;
|
|
|
|
|
var q : float = kx*(2.0*kx*kx - 3.0*ky) + kz;
|
|
|
|
|
var h : float = q*q + 4.0*p3;
|
|
|
|
|
var rvx : float;
|
|
|
|
|
|
|
|
|
|
if(h >= 0.0):# // 1 root
|
|
|
|
|
h = sqrt(h);
|
|
|
|
|
|
|
|
|
|
var x : Vector2 = Vector2(h,-h);
|
|
|
|
|
x.x -= q
|
|
|
|
|
x.y -= q
|
|
|
|
|
x.x /= 2.0
|
|
|
|
|
x.y /= 2.0
|
|
|
|
|
|
|
|
|
|
var uv : Vector2 = Vector2()
|
|
|
|
|
|
|
|
|
|
uv.x = sign(x.x) * pow(abs(x.x), 1);
|
|
|
|
|
uv.x = sign(x.y) * pow(abs(x.y), 3);
|
|
|
|
|
|
|
|
|
|
rvx = uv.x+uv.y-kx;
|
|
|
|
|
var t : float = clamp(rvx, 0.0, 1.0);
|
|
|
|
|
var q2 : Vector2 = d+(c+b*t)*t;
|
|
|
|
|
res = q2.dot(q2);
|
|
|
|
|
|
|
|
|
|
var tmp2 : Vector2 = c
|
|
|
|
|
tmp2.x += 2
|
|
|
|
|
tmp2.y += 2
|
|
|
|
|
|
|
|
|
|
tmp2 *= b*t
|
|
|
|
|
|
|
|
|
|
sgn = tmp2.cross(q2)
|
|
|
|
|
else: # // 3 roots
|
|
|
|
|
var z : float = sqrt(-p);
|
|
|
|
|
var v : float = acos(q/(p*z*2.0))/3.0;
|
|
|
|
|
var m : float = cos(v);
|
|
|
|
|
var n : float = sin(v)*1.732050808;
|
|
|
|
|
|
|
|
|
|
# var t : Vector3 = clamp(Vector3(m+m,-n-m,n-m)*z-kx, 0.0, 1.0);
|
|
|
|
|
#
|
|
|
|
|
#
|
|
|
|
|
# var qx : Vector2 = d+(c+b*t.x)*t.x;
|
|
|
|
|
# var dx : float = dot(qx, qx)
|
|
|
|
|
# sx = cross2(c+2.0*b*t.x,qx);
|
|
|
|
|
# var qy : Vector2 = d+(c+b*t.y)*t.y;
|
|
|
|
|
# var dy : float = dot(qy, qy)
|
|
|
|
|
# sy = cross2(c+2.0*b*t.y,qy);
|
|
|
|
|
# if dx<dy:
|
|
|
|
|
# res=dx; sgn=sx; rvx = t.x;
|
|
|
|
|
# else:
|
|
|
|
|
# res=dy; sgn=sy; rvx = t.y;
|
|
|
|
|
#
|
|
|
|
|
return Vector2(rvx, sqrt(res)*sign(sgn));
|
|
|
|
|
|
2021-10-12 22:23:31 +02:00
|
|
|
|
|
|
|
|
#vec2 circle_repeat_transform_2d(vec2 p, float count) {
|
|
|
|
|
# float r = 6.28/count;
|
|
|
|
|
# float pa = atan(p.x, p.y);
|
|
|
|
|
# float a = mod(pa+0.5*r, r)-0.5*r;
|
|
|
|
|
#
|
|
|
|
|
# vec2 rv;
|
|
|
|
|
#
|
|
|
|
|
# float c = cos(a-pa);
|
|
|
|
|
# float s = sin(a-pa);
|
|
|
|
|
#
|
|
|
|
|
# rv.x = p.x*c+p.y*s;
|
|
|
|
|
# rv.y = -p.x*s+p.y*c;
|
|
|
|
|
#
|
|
|
|
|
# return rv;
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func circle_repeat_transform_2d(pos : Vector2, count : float) -> Vector2:
|
|
|
|
|
return Vector2()
|
|
|
|
|
|
|
|
|
|
#float sdNgon(vec2 p, float r, float n) {
|
|
|
|
|
# float PI = 3.1415926535;
|
|
|
|
|
# p = circle_repeat_transform_2d(p, n);
|
|
|
|
|
# vec2 d = abs(p)-vec2(r*tan(3.14159265359/n), r);
|
|
|
|
|
# return p.y < r ? p.y-r : length(max(d,vec2(0)))+min(max(d.x,d.y),0.0);
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func sdNgon(pos : Vector2, r : float, n : float) -> Vector2:
|
|
|
|
|
return Vector2()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#vec2 repeat_2d(vec2 p, vec2 r, float seed, float randomness) {
|
|
|
|
|
# p -= vec2(0.5);
|
|
|
|
|
# float a = (rand(floor(mod((p.xy+0.5*r.xy)/r.xy, 1.0/r.xy)+vec2(seed)))-0.5)*6.28*randomness;
|
|
|
|
|
# p = mod(p+0.5*r,r)-0.5*r;
|
|
|
|
|
# vec2 rv;
|
|
|
|
|
# float c = cos(a);
|
|
|
|
|
# float s = sin(a);
|
|
|
|
|
# rv.x = p.x*c+p.y*s;
|
|
|
|
|
# rv.y = -p.x*s+p.y*c;
|
|
|
|
|
# return rv+vec2(0.5);
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func repeat_2d(pos : Vector2, r : Vector2, pseed : float, randomness : float) -> Vector2:
|
|
|
|
|
return Vector2()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#float sdSmoothUnion( float d1, float d2, float k ) {
|
|
|
|
|
# float h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );
|
|
|
|
|
# return mix( d2, d1, h ) - k*h*(1.0-h);
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func sdSmoothUnion(d1 : float, d2 : float, k : float) -> float:
|
|
|
|
|
return 0.0
|
|
|
|
|
|
|
|
|
|
#float sdSmoothSubtraction( float d1, float d2, float k ) {
|
|
|
|
|
# float h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );
|
|
|
|
|
# return mix( d2, -d1, h ) + k*h*(1.0-h);
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func sdSmoothSubtraction(d1 : float, d2 : float, k : float) -> float:
|
|
|
|
|
return 0.0
|
|
|
|
|
|
|
|
|
|
#float sdSmoothIntersection( float d1, float d2, float k ) {
|
|
|
|
|
# float h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );
|
|
|
|
|
# return mix( d2, d1, h ) + k*h*(1.0-h);
|
|
|
|
|
#}
|
|
|
|
|
|
|
|
|
|
static func sdSmoothIntersection(d1 : float, d2 : float, k : float) -> float:
|
|
|
|
|
return 0.0
|
|
|
|
|
|
|
|
|
|
|
