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AndrewRayCode/gist:35fff50453abf5d0cf4e

Created July 17, 2015 21:50
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gistfile1.glsl
/* vertex */
uniform mat4 modelMatrix;
varying mat4 matrix;
...
void main() {
vPosition = position;
matrix = modelMatrix;
/* fragment */
uniform vec3 vLightPosition;
varying vec3 vPosition;
varying mat4 matrix;
void main() {
vec3 lightVectorW = normalize(vec3(vec4( vLightPosition, 1.0) * matrix) - vPosition);
...
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