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@@ -24,7 +24,6 @@
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*********/
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/* clamps float value between 0 and 1 */
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-
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static float
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clamp(float v)
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{
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@@ -207,7 +206,7 @@ phong(float* color, float* pos, float* normal, struct sr_uniform* uniform)
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vec3_sub(tmp, pos, light.pos);
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normalize(tmp);
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normalize(light_dir);
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- float x = acos(dot(a, tmp));
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+ float x = acos(dot(light_dir, tmp));
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float inner = light.spot_angle - light.spot_penumbra;
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float outer = light.spot_angle;
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if (x <= inner) {
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taurreco