Sha256: 153546e66bcdc291219f40461c98f76b0059593de9474d64a2fe6e988a2c8d2f
Contents?: true
Size: 560 Bytes
Versions: 26
Compression:
Stored size: 560 Bytes
Contents
shared attribute vec4 VERTEX_POSITION;
void main(void) {
/*
we do our own projection to form the paraboloid, so we
can ignore the projection matrix entirely.
*/
vec4 pos = mvMatrix * VERTEX_POSITION;
pos = vec4(pos.xyz / pos.w, pos.w);
pos.z *= DP_DIRECTION;
float L = length(pos.xyz);
pos /= L;
vClip = pos.z;
pos.z += 1.0;
pos.x /= pos.z;
pos.y /= pos.z;
pos.z = (L - DP_SHADOW_NEAR) / (DP_SHADOW_FAR - DP_SHADOW_NEAR);
pos.w = 1.0;
vPos = pos;
export(vec4, Position, pos);
gl_Position = pos;
}
Version data entries
26 entries across 26 versions & 1 rubygems