52 lines
No EOL
1.1 KiB
GLSL
52 lines
No EOL
1.1 KiB
GLSL
#ifdef GL_ES
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precision mediump float;
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#endif
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// OF built-in attributes.
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uniform mat4 modelViewMatrix;
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// Custom attributes.
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uniform sampler2D uDepthTex; // Sampler for the depth space data
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uniform sampler2D uWorldTex; // Transformation from kinect depth/color space to kinect world space
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uniform sampler2D u_particle;
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uniform ivec2 uFrameSize;
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uniform ivec2 uDepthFrameSize;
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uniform vec2 u_resolution;
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out vec4 vPosition;
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out vec2 vTexCoord;
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flat out int vValid;
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out float vTemperature;
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void main()
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{
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vTexCoord = vec2(gl_InstanceID % uFrameSize.x, gl_InstanceID / uFrameSize.x) / uDepthFrameSize;
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vValid = 1;
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// vValid = (depth != 0 && ray.x != 0 && ray.y != 0) ? 1 : 0;
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vec4 posWorld = texture2D(u_particle, vTexCoord);
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vTemperature = posWorld.w;
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posWorld.w = 1;
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// posWorld.xyz *= 65535;
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// // posWorld.xy = vTexCoord * 10000;
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// // posWorld.xy = posWorld.xz * 0.1;
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// // posWorld.z = 10;
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// vValid = posWorld.w > 0.0 ? 1 : 0;
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// posWorld.w = 1;
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// Flip X as OpenGL and K4A have different conventions on which direction is positive.
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// posWorld.x *= -1;
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vPosition = modelViewMatrix * posWorld;
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} |