{ "name": "sdarc", "node_position": { "x": 0, "y": 0 }, "parameters": { "a1": 0, "a2": 0, "cx": 0, "cy": 0, "r": 0.4, "r1": 0.3, "r2": 0.1 }, "shader_model": { "code": "", "global": "float sdArc(vec2 p, vec2 sca, vec2 scb, float ra, float rb) {\n p *= mat2(vec2(sca.x,sca.y),vec2(-sca.y,sca.x));\n p.x = abs(p.x);\n float k = (scb.y*p.x>scb.x*p.y) ? dot(p.xy,scb) : length(p.xy);\n return sqrt( dot(p,p) + ra*ra - 2.0*ra*k ) - rb;\n}", "inputs": [ ], "instance": "", "name": "sdArc", "outputs": [ { "sdf2d": "sdArc($uv-vec2(0.5), vec2(cos($a1*0.01745329251), sin($a1*0.01745329251)), vec2(cos($a2*0.01745329251), sin($a2*0.01745329251)), $r1, $r2)", "type": "sdf2d" } ], "parameters": [ { "default": 0, "label": "Angle 1", "max": 180, "min": -180, "name": "a1", "step": 1, "type": "float" }, { "default": 0, "label": "Angle 2", "max": 180, "min": -180, "name": "a2", "step": 1, "type": "float" }, { "default": 0.5, "label": "Radius 1", "max": 1, "min": 0, "name": "r1", "step": 0.01, "type": "float" }, { "default": 0.1, "label": "Radius 2", "max": 1, "min": 0, "name": "r2", "step": 0.01, "type": "float" } ] }, "type": "shader" }