36 lines
No EOL
917 B
GLSL
36 lines
No EOL
917 B
GLSL
#version 330
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in vec4 color;
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in vec3 normal;
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in vec2 out_coord_texture;
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uniform sampler2D myTexture;
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uniform vec3 light_direction;
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uniform vec4 diffuse_light_color;
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uniform vec4 ambient_light;
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void main(){
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vec3 lightDir;
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float lightIntensity;
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// Set the default output color to the ambient light value for all pixels.
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vec4 color1 = color * ambient_light;
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// Invert the light direction for calculations.
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lightDir = -light_direction;
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// Calculate the amount of light on this pixel.
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lightIntensity = clamp(dot(normal, lightDir), 0.0f, 1.0f);
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if(lightIntensity > 0.0f)
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{
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// Determine the final diffuse color based on the diffuse color and the amount of light intensity.
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color1 += (diffuse_light_color * lightIntensity);
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}
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// Clamp the final light color.
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color1 = clamp(color1, 0.0f, 1.0f);
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gl_FragColor = color1 * texture2D(myTexture,out_coord_texture);
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} |