19 lines
585 B
GLSL
19 lines
585 B
GLSL
precision highp float;
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varying highp vec2 vTextureCoord;
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varying highp vec4 vNormal;
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varying highp vec3 vPosition;
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uniform sampler2D uSampler;
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void main() {
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highp vec4 texelColor = texture2D(uSampler, vTextureCoord);
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vec3 n = normalize(vec3(-50., 100., 50.) - vPosition);
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float diffuse = max(dot(normalize(vNormal.xyz), n), 0.);
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float specular = pow(
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max(dot(
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reflect(n, normalize(vNormal.xyz)),
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normalize(vec3(0., 0., -50.) - vPosition)),
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0.), 10.);
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gl_FragColor = vec4((texelColor.xyz * diffuse * 0.8) + (texelColor.xyz * vec3(0.2)) + (specular * vec3(1.)), 1.0);
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} |