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https://github.com/bailwillharr/engine.git
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39 lines
1.0 KiB
GLSL
39 lines
1.0 KiB
GLSL
#version 450
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layout(location = 0) in vec3 fragPos;
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layout(location = 1) in vec3 fragNorm;
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layout(location = 2) in vec2 fragUV;
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layout(location = 3) in vec3 fragLightPos;
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layout(location = 0) out vec4 outColor;
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layout(set = 1, binding = 0) uniform sampler2D texSampler;
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void main() {
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// constants
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vec3 lightColor = vec3(1.0, 1.0, 1.0);
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vec3 ambientColor = vec3(1.0, 1.0, 1.0);
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float ambientStrength = 0.05;
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vec3 baseColor = vec3(texture(texSampler, fragUV));
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vec3 emission = vec3(0.0, 0.0, 0.0);
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// code
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vec3 norm = normalize(fragNorm);
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vec3 lightDir = normalize(fragLightPos - fragPos);
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vec3 diffuse = max(dot(norm, lightDir), 0.0) * lightColor;
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vec3 ambient = ambientColor * ambientStrength;
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vec3 viewDir = normalize(-fragPos);
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vec3 reflectDir = reflect(-lightDir, norm);
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float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);
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vec3 specular = 0.5 * spec * lightColor;
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vec3 lighting = min(diffuse + ambient + specular, 1.0);
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outColor = min( ( vec4(baseColor, 1.0) ) * vec4(lighting + emission, 1.0), vec4(1.0));
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}
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