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Fix for texture coordinate generation.

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This commit is contained in:
Andrzej Kapolka 2014-10-02 18:09:47 -07:00
parent c67f421ea9
commit bf1c7b17fe
1 changed files with 6 additions and 5 deletions
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11
interface/resources/shaders/metavoxel_voxel_splat.frag
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@ -26,11 +26,12 @@ varying vec4 alphaValues;
void main(void) {
// determine the cube face to use for texture coordinate generation
vec3 absNormal = abs(normal);
vec2 parameters = step(absNormal.yy, absNormal.xz) * step(absNormal.zx, absNormal.xz);
vec3 steps = step(absNormal.zzy, absNormal.xyx);
vec2 parameters = mix(vec2(0.0, steps.y), vec2(steps.x, steps.x), steps.z);
// blend the splat textures
gl_FragColor = (texture2D(diffuseMaps[0], mix(gl_TexCoord[0].xw, gl_TexCoord[0].zy, parameters)) * alphaValues.x +
texture2D(diffuseMaps[1], mix(gl_TexCoord[1].xw, gl_TexCoord[1].zy, parameters)) * alphaValues.y +
texture2D(diffuseMaps[2], mix(gl_TexCoord[2].xw, gl_TexCoord[2].zy, parameters)) * alphaValues.z +
texture2D(diffuseMaps[3], mix(gl_TexCoord[3].xw, gl_TexCoord[3].zy, parameters)) * alphaValues.w);
gl_FragColor = (texture2D(diffuseMaps[0], mix(gl_TexCoord[0].xy, gl_TexCoord[0].zw, parameters)) * alphaValues.x +
texture2D(diffuseMaps[1], mix(gl_TexCoord[1].xy, gl_TexCoord[1].zw, parameters)) * alphaValues.y +
texture2D(diffuseMaps[2], mix(gl_TexCoord[2].xy, gl_TexCoord[2].zw, parameters)) * alphaValues.z +
texture2D(diffuseMaps[3], mix(gl_TexCoord[3].xy, gl_TexCoord[3].zw, parameters)) * alphaValues.w);
}