mirror of
https://github.com/cyberarm/cyberarm_engine.git
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116 lines
2.7 KiB
GLSL
116 lines
2.7 KiB
GLSL
#version 330 core
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@include "light_struct"
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out vec4 frag_color;
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const int DIRECTIONAL = 0;
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const int POINT = 1;
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const int SPOT = 2;
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in vec2 out_tex_coords;
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flat in int out_light_count;
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flat in Light out_lights[7];
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uniform sampler2D diffuse, position, texcoord, normal, depth;
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vec4 directionalLight(Light light) {
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vec3 norm = normalize(texture(normal, out_tex_coords).rgb);
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vec3 diffuse_color = texture(diffuse, out_tex_coords).rgb;
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vec3 frag_pos = texture(position, out_tex_coords).rgb;
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vec3 lightDir = normalize(light.position - frag_pos);
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float diff = max(dot(norm, lightDir), 0);
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vec3 _ambient = light.ambient;
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vec3 _diffuse = light.diffuse * diff;
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vec3 _specular = light.specular;
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return vec4(_diffuse + _ambient + _specular, 1.0);
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}
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void main() {
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Light light;
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light.type = DIRECTIONAL;
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light.position = vec3(100, 100, 100);
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light.diffuse = vec3(0.5, 0.5, 0.5);
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light.ambient = vec3(0.8, 0.8, 0.8);
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light.specular = vec3(0.2, 0.2, 0.2);
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light.intensity = 1.0;
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frag_color = texture(diffuse, out_tex_coords) * directionalLight(light);
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}
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// #version 330 core
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// @include "light_struct"
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// out vec4 frag_color;
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// const int DIRECTIONAL = 0;
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// const int POINT = 1;
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// const int SPOT = 2;
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// in vec2 out_tex_coords;
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// flat in int out_light_count;
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// flat in Light out_lights[7];
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// uniform sampler2D diffuse, position, texcoord, normal, depth;
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// vec4 directionalLight(Light light) {
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// vec3 norm = normalize(texture(normal, out_tex_coords).rgb);
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// vec3 diffuse_color = texture(diffuse, out_tex_coords).rgb;
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// vec3 frag_pos = texture(position, out_tex_coords).rgb;
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// vec3 lightDir = normalize(light.position - frag_pos);
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// float diff = max(dot(norm, lightDir), 0);
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// vec3 _ambient = light.ambient;
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// vec3 _diffuse = light.diffuse * diff;
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// vec3 _specular = light.specular;
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// return vec4(_diffuse + _ambient + _specular, 1.0);
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// }
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// vec4 pointLight(Light light) {
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// return vec4(0.25, 0.25, 0.25, 1);
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// }
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// vec4 spotLight(Light light) {
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// return vec4(0.5, 0.5, 0.5, 1);
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// }
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// vec4 calculateLighting(Light light) {
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// vec4 result;
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// // switch(light.type) {
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// // case DIRECTIONAL: {
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// // result = directionalLight(light);
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// // }
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// // case SPOT: {
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// // result = spotLight(light);
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// // }
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// // default: {
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// // result = pointLight(light);
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// // }
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// // }
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// if (light.type == DIRECTIONAL) {
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// result = directionalLight(light);
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// } else {
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// result = pointLight(light);
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// }
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// return result;
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// }
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// void main() {
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// frag_color = vec4(0.0);
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// for(int i = 0; i < out_light_count; i++)
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// {
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// frag_color += texture(diffuse, out_tex_coords) * calculateLighting(out_lights[i]);
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// }
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// }
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