Sha256: 86f3da4ad7203b5b2f4b740257524ba337a51d198e0a84e3d74ed131d5faf3df
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Versions: 12
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Stored size: 1.73 KB
Contents
shared attribute vec4 VERTEX_POSITION;
shared attribute vec2 VERTEX_TEXCOORDS;
shared attribute vec4 VERTEX_TANGENT;
shared attribute vec3 VERTEX_NORMAL;
void main(void) {
// ambient was applied by the basic shader; applying it again will simply brighten some fragments
// beyond their proper ambient value. So, we really need to apply the bump shader ONLY to diffuse+specular.
if (PASS_TYPE == <%=Jax.Scene.AMBIENT_PASS%>) return;
vec3 ecPosition = vec3(mvMatrix * VERTEX_POSITION);
gl_Position = pMatrix * mvMatrix * VERTEX_POSITION;
vTexCoords = VERTEX_TEXCOORDS;
vEyeDir = vec3(mvMatrix * VERTEX_POSITION);
vec3 n = normalize(nMatrix * VERTEX_NORMAL);
vec3 t = normalize(nMatrix * VERTEX_TANGENT.xyz);
vec3 b = cross(n, t) * VERTEX_TANGENT.w;
vec3 v, p;
vAttenuation = 1.0;
if (LIGHT_TYPE == <%=Jax.POINT_LIGHT%>)
if (LIGHT_ATTENUATION_CONSTANT == 1.0 && LIGHT_ATTENUATION_LINEAR == 0.0 && LIGHT_ATTENUATION_QUADRATIC == 0.0) {
// no change to attenuation, but we still need P
p = vec3(ivMatrix * vec4(LIGHT_POSITION, 1.0)) - ecPosition;
}
else {
// attenuation calculation figures out P for us, so we may as well use it
vAttenuation = calcAttenuation(ecPosition, p);
}
else
if (LIGHT_TYPE == <%=Jax.SPOT_LIGHT%>) {
// attenuation calculation figures out P for us, so we may as well use it
vAttenuation = calcAttenuation(ecPosition, p);
}
else
{ // directional light -- all we need is P
p = vec3(vnMatrix * -normalize(LIGHT_DIRECTION));
}
v.x = dot(p, t);
v.y = dot(p, b);
v.z = dot(p, n);
vLightDir = normalize(p);
v.x = dot(vEyeDir, t);
v.y = dot(vEyeDir, b);
v.z = dot(vEyeDir, n);
vEyeDir = normalize(v);
}
Version data entries
12 entries across 12 versions & 1 rubygems