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Get the lights working (as such).

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They work nicely now when the normal map and texture are bypassed (don't
know what texture is getting used currently).
This commit is contained in:
Bill Currie 2012-05-14 20:29:36 +09:00
parent 8c5e278bf8
commit a032aa5adf
2 changed files with 8 additions and 4 deletions
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7
libs/video/renderer/glsl/iqm.frag
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@ -35,9 +35,12 @@ calc_light (vec3 n, int ind)
{
vec3 d;
light l = lights[ind];
float mag;
d = l.position.xyz - position;
return l.color.rgb * (l.position.w * dot (d, n) / dot (d, d));
d = position - l.position.xyz;
mag = dot (d, n);
mag = max (0.0, mag);
return l.color.rgb * (l.position.w * mag / dot (d, d));
}
void

5
libs/video/renderer/glsl/iqm.vert
View file

@ -67,9 +67,10 @@ main (void)
// but probably good enough)
t = qmult (q0, vtangent.xyz);
#else
mat3 nm = mat3 (m[0].xyz, m[1].xyz, m[2].xyz);
v = (m * vec4 (vposition, 1.0)).xyz;
n = (m * vec4 (vnormal, 1.0)).xyz;
t = (m * vec4 (vtangent.xyz, 1.0)).xyz;
n = nm * vnormal;
t = nm * vtangent.xyz;
#endif
position = v * 8.0;
normal = norm_mat * n;