mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-11-13 20:47:19 +01:00
198 lines
5.3 KiB
GDScript
198 lines
5.3 KiB
GDScript
tool
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extends TextureRect
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var image : Image
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var tex : ImageTexture
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export(Vector2) var bmin : Vector2 = Vector2(0.1, 0.1)
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export(Vector2) var bmax : Vector2 = Vector2(1, 1)
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export(bool) var refresh setget reff,reffg
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var p_o3704_albedo_color_r : float = 1.000000000;
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var p_o3704_albedo_color_g : float = 1.000000000;
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var p_o3704_albedo_color_b : float = 1.000000000;
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var p_o3704_albedo_color_a : float = 1.000000000;
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var p_o3704_metallic : float = 1.000000000;
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var p_o3704_roughness : float = 1.000000000;
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var p_o3704_emission_energy : float = 1.000000000;
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var p_o3704_normal : float = 1.000000000;
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var p_o3704_ao : float = 1.000000000;
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var p_o3704_depth_scale : float = 0.500000000;
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var p_o3704_sss : float = 0.000000000;
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var p_o69054_sides : float = 6.000000000;
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var p_o69054_radius : float = 0.845361000;
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var p_o69054_edge : float = 0.051546000;
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func gen() -> void:
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if !image:
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image = Image.new()
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image.create(300, 300, false, Image.FORMAT_RGBA8)
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if !tex:
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tex = ImageTexture.new()
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# var bmin : Vector2 = Vector2(0.1, 0.1)
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# var bmax : Vector2 = Vector2(1, 1)
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image.lock()
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var w : float = image.get_width()
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var h : float = image.get_width()
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var pseed : float = randf() + randi()
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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var v : Vector2 = Vector2(x / w, y / h)
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# var c : float = shape_circle(v, p_o69054_sides, p_o69054_radius * 1.0, p_o69054_edge * 1.0)
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# var c : float = shape_polygon(v, p_o69054_sides, p_o69054_radius * 1.0, p_o69054_edge * 1.0)
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# var c : float = shape_star(v, p_o69054_sides, p_o69054_radius * 1.0, p_o69054_edge * 1.0)
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# var c : float = shape_curved_star(v, p_o69054_sides, p_o69054_radius * 1.0, p_o69054_edge * 1.0)
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var c : float = shape_rays(v, p_o69054_sides, p_o69054_radius * 1.0, p_o69054_edge * 1.0)
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image.set_pixel(x, y, Color(c, c, c, 1))
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image.unlock()
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tex.create_from_image(image)
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texture = tex
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func shape_circle(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8)
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var distance : float = uv.length()
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return clamp((1.0 - distance / size) / edge, 0.0, 1.0)
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func shape_polygon(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8)
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = atan(uv.y / uv.x) + 3.14159265359
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(0.5 + angle / slice) * slice - angle) * uv.length()) / (edge * size), 0.0, 1.0)
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func shape_star(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8);
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = atan(uv.y / uv.x)
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(1.5 + angle / slice - 2.0 * step(0.5 * slice, modf(angle, slice))) * slice - angle) * uv.length()) / (edge * size), 0.0, 1.0);
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func shape_curved_star(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8);
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = 2.0*(atan(uv.y / uv.x) + 3.14159265359)
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(0.5 + 0.5 * angle / slice) * 2.0 * slice - angle) * uv.length())/(edge * size), 0.0, 1.0);
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func shape_rays(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = 0.5 * max(edge, 1.0e-8) * size
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#simple no branch for division by zero
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uv.x += 0.0000001
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var slice : float = 6.28318530718 / sides
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var angle : float = modf(atan(uv.y / uv.x) + 3.14159265359, slice) / slice
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return clamp(min((size - angle) / edge, angle / edge), 0.0, 1.0);
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func modf(x : float, y : float) -> float:
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return x - y * floor(x / y)
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func fract(v : Vector2) -> Vector2:
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v.x = v.x - floor(v.x)
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v.y = v.y - floor(v.y)
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return v
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func fractf(f : float) -> float:
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return f - floor(f)
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func rand(x : Vector2) -> float:
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return fractf(cos(x.dot(Vector2(13.9898, 8.141))) * 43758.5453);
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func step(edge : float, x : float) -> float:
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if x < edge:
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return 0.0
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else:
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return 1.0
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#common -----
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#float rand(vec2 x) {
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# return fract(cos(dot(x, vec2(13.9898, 8.141))) * 43758.5453);
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#}
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#
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#vec2 rand2(vec2 x) {
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# return fract(cos(vec2(dot(x, vec2(13.9898, 8.141)),
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# dot(x, vec2(3.4562, 17.398)))) * 43758.5453);
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#}
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#
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#vec3 rand3(vec2 x) {
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# return fract(cos(vec3(dot(x, vec2(13.9898, 8.141)),
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# dot(x, vec2(3.4562, 17.398)),
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# dot(x, vec2(13.254, 5.867)))) * 43758.5453);
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#}
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#
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#vec3 rgb2hsv(vec3 c) {
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# vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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# vec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);
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# vec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);
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#
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# float d = q.x - min(q.w, q.y);
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# float e = 1.0e-10;
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# return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
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#}
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#
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#vec3 hsv2rgb(vec3 c) {
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# vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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# vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
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# return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
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#}
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#end common
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func reffg():
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return false
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func reff(bb):
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if bb:
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gen()
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