Here is a a cheat sheet for uniform types in Three.js
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var uniformsExample = { "uInt" : { type: "i", value: 1 }, // single integer "uFloat" : { type: "f", value: 3.14 }, // single float "uVec2" : { type: "v2", value: new THREE.Vector2( 0, 1 ) }, // single Vector2 "uVec3" : { type: "v3", value: new THREE.Vector3( 0, 1, 2 ) }, // single Vector3 "uVec4" : { type: "v4", value: new THREE.Vector4( 0, 1, 2, 3 ) }, // single Vector4 "uCol" : { type: "c", value: new THREE.Color( 0xffaa00 ) }, // single Color "uMat4" : { type: "m4", value: new THREE.Matrix4() }, // single Matrix4 "uTex" : { type: "t", value: THREE.ImageUtils.loadTexture( "texture.jpg" ) }, // regular texture "uTexCube" : { type: "t", value: THREE.ImageUtils.loadTextureCube( [ "px.jpg", "nx.jpg", // cube texture "py.jpg", "ny.jpg", "pz.jpg", "nz.jpg" ] ) }, "uIntArray" : { type: "iv1", value: [ 1, 2, 3, 4, 5 ] }, // integer array (plain) "uIntArray3" : { type: "iv", value: [ 1, 2, 3, 4, 5, 6 ] }, // integer array (ivec3) "uFloatArray" : { type: "fv1", value: [ 0.1, 0.2, 0.3, 0.4, 0.5 ] }, // float array (plain) "uFloatArray3" : { type: "fv", value: [ 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 ] }, // float array (vec3) "uVec2Array" : { type: "v2v", value: [ new THREE.Vector2( 0.1, 0.2 ), new THREE.Vector2( 0.4, 0.5 ) ] }, // Vector2 array "uVec3Array" : { type: "v3v", value: [ new THREE.Vector3( 0.1, 0.2, 0.3 ), new THREE.Vector3( 0.4, 0.5, 0.6 ) ] }, // Vector3 array "uVec4Array" : { type: "v4v", value: [ new THREE.Vector4( 0.1, 0.2, 0.3, 0.4 ), new THREE.Vector4( 0.4, 0.5, 0.6, 0.7 ) ] }, // Vector4 array "uMat4Array" : { type: "m4v", value: [ new THREE.Matrix4(), new THREE.Matrix4() ] }, // Matrix4 array "uTexArray" : { type: "tv", value: [ new THREE.Texture(), new THREE.Texture() ] } // texture array (regular) }; |
Here is how to cite them in GLSL:
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uniform int uInt; uniform float uFloat; uniform vec2 uVec2; uniform vec3 uVec3; uniform vec4 uVec4; uniform vec3 uCol; uniform mat4 uMat4; uniform sampler2D uTex; uniform samplerCube uTexCube; uniform int uIntArray[ 5 ]; uniform ivec3 uIntArray3[ 2 ]; uniform float uFloatArray[ 5 ]; uniform vec3 uFloatArray3[ 2 ]; uniform vec2 uVec2Array[ 2 ]; uniform vec3 uVec3Array[ 2 ]; uniform vec4 uVec4Array[ 2 ]; uniform mat4 uMat4Array[ 2 ]; uniform sampler2D uTexArray[ 2 ]; |
