21 lines
536 B
GLSL
21 lines
536 B
GLSL
#version 120
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varying vec4 v_coord3d;
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varying vec4 v_normal;
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vec4 light(vec3 lightColor, vec4 lightPosition, float ambientIntensity, float diffuseIntensity) {
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vec4 ambientColor = vec4(lightColor * ambientIntensity, 1.0);
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vec4 lightDirection = normalize(lightPosition - v_coord3d);
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float diffuseFactor = dot(v_normal, lightDirection);
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vec4 diffuseColor = vec4(0.0, 0.0, 0.0, 1.0);
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if(diffuseFactor > 0) {
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diffuseColor = vec4(lightColor * diffuseIntensity * diffuseFactor, 1.0);
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}
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return ambientColor + diffuseColor;
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}
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