source: GTP/trunk/Lib/Illum/GPUObscurancesGT/src/render.vert @ 930

uniform mat4 projMatrix;
uniform float time;
                        
varying vec4 position;
varying vec3 color;
varying vec2 texCoord;
varying vec3 normal;
varying vec3 lightVect;
varying vec4 shadowCoord;
varying vec3 position1;

void main()
{       

        gl_Position = ftransform();

        normal = gl_Normal;
        texCoord = gl_MultiTexCoord0.st;
        color = gl_Color.rgb;
        position1 = gl_Vertex.xyz;
        position = gl_Vertex;
        
        vec3 lightpos;

        lightpos.x = 2.7320508 * cos(time/50);
        lightpos.y = 2.7320508 * sin(time/50);
        lightpos.z = 1.0;

        shadowCoord = mul(projMatrix, gl_Vertex);

        position.xyz -= lightpos;
        lightVect = position.xyz/3.4641016;
}