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Fix inconsistency for lighting #169

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Fix inconsistency for lighting #169

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4 changes: 2 additions & 2 deletions exercises/npr-1/shaders/vertex.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,8 @@ varying vec3 fragNormal;

void main() {
vec4 worldPosition = model * vec4(position, 1.0);
vec4 worldNormal = vec4(normal, 0.0) * inverseModel;
vec4 worldNormal = vec4(normal, 0.0) * inverseModel * inverseView;

gl_Position = projection * view * worldPosition;
fragNormal = worldNormal.xyz;
}
}