mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-07-08 19:50:43 +02:00
59 lines
1013 B
JavaScript
Executable File
59 lines
1013 B
JavaScript
Executable File
/**
|
|
* @author felixturner / http://airtight.cc/
|
|
*
|
|
* Mirror Shader
|
|
* Copies half the input to the other half
|
|
*
|
|
* side: side of input to mirror (0 = left, 1 = right, 2 = top, 3 = bottom)
|
|
*/
|
|
|
|
THREE.MirrorShader = {
|
|
|
|
uniforms: {
|
|
|
|
"tDiffuse": { type: "t", value: null },
|
|
"side": { type: "i", value: 1 }
|
|
|
|
},
|
|
|
|
vertexShader: [
|
|
|
|
"varying vec2 vUv;",
|
|
|
|
"void main() {",
|
|
|
|
"vUv = uv;",
|
|
"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
|
|
|
|
"}"
|
|
|
|
].join("\n"),
|
|
|
|
fragmentShader: [
|
|
|
|
"uniform sampler2D tDiffuse;",
|
|
"uniform int side;",
|
|
|
|
"varying vec2 vUv;",
|
|
|
|
"void main() {",
|
|
|
|
"vec2 p = vUv;",
|
|
"if (side == 0){",
|
|
"if (p.x > 0.5) p.x = 1.0 - p.x;",
|
|
"}else if (side == 1){",
|
|
"if (p.x < 0.5) p.x = 1.0 - p.x;",
|
|
"}else if (side == 2){",
|
|
"if (p.y < 0.5) p.y = 1.0 - p.y;",
|
|
"}else if (side == 3){",
|
|
"if (p.y > 0.5) p.y = 1.0 - p.y;",
|
|
"} ",
|
|
"vec4 color = texture2D(tDiffuse, p);",
|
|
"gl_FragColor = color;",
|
|
|
|
"}"
|
|
|
|
].join("\n")
|
|
|
|
};
|