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https://github.com/Doodle3D/Doodle3D-Slicer.git
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42 lines
1.1 KiB
GLSL
Executable File
42 lines
1.1 KiB
GLSL
Executable File
precision highp float;
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varying vec3 v_normal;
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uniform vec3 u_light0Color;
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varying vec3 v_light0Direction;
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uniform float u_shininess;
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uniform vec4 u_ambient;
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varying vec2 v_texcoord0;
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uniform sampler2D u_diffuse;
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uniform vec4 u_emission;
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uniform vec4 u_specular;
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void main(void) {
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vec3 normal = normalize(v_normal);
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vec4 color = vec4(0., 0., 0., 0.);
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vec4 diffuse = vec4(0., 0., 0., 1.);
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vec3 diffuseLight = vec3(0., 0., 0.);
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vec4 emission;
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vec4 ambient;
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vec4 specular;
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vec3 specularLight = vec3(0., 0., 0.);
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{
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float diffuseIntensity;
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float specularIntensity;
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vec3 l = normalize(v_light0Direction);
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vec3 h = normalize(l+vec3(0.,0.,1.));
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diffuseIntensity = max(dot(normal,l), 0.);
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specularIntensity = pow(max(0.0,dot(normal,h)),u_shininess);
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specularLight += u_light0Color * specularIntensity;
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diffuseLight += u_light0Color * diffuseIntensity;
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}
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ambient = u_ambient;
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diffuse = texture2D(u_diffuse, v_texcoord0);
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emission = u_emission;
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specular = u_specular;
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specular.xyz *= specularLight;
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color.xyz += specular.xyz;
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diffuse.xyz *= diffuseLight;
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color.xyz += diffuse.xyz;
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color.xyz += emission.xyz;
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color = vec4(color.rgb * diffuse.a, diffuse.a);
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gl_FragColor = color;
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}
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