From c78784795449732a4d7edb72af28506ab16d0117 Mon Sep 17 00:00:00 2001
From: iurii <hello@jurip.xyz>
Date: Fri, 6 Sep 2024 00:42:07 +0300
Subject: colored cubes``

---
 res/shaders/colors.fs | 15 +++++++++++----
 src/main.odin         | 14 ++++++++++++--
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/res/shaders/colors.fs b/res/shaders/colors.fs
index df02754..053e1c4 100644
--- a/res/shaders/colors.fs
+++ b/res/shaders/colors.fs
@@ -6,32 +6,39 @@ struct Material {
   float shininess;
 };
 
+struct Light {
+  vec3 position;
+  vec3 ambient;
+  vec3 diffuse;
+  vec3 specular;
+};
+
 out vec4 FragColor;
 
 in vec3 Normal;
 in vec3 FragPos;
 
-uniform vec3 light_color;
 uniform vec3 light_position;
 uniform vec3 view_position;
 
 uniform Material material;
+uniform Light light;
 
 void main() {
   // ambient
-  vec3 ambient = light_color * material.ambient;
+  vec3 ambient = light.ambient * material.ambient;
 
   // diffuse
   vec3 norm = normalize(Normal);
   vec3 light_dir = normalize(light_position - FragPos);
   float diff = max(dot(norm, light_dir), 0.0);
-  vec3 diffuse = light_color * (diff * material.diffuse);
+  vec3 diffuse = light.diffuse * (diff * material.diffuse);
 
   // specular
   vec3 view_dir = normalize(view_position - FragPos);
   vec3 reflect_dir = reflect(-light_dir, norm);
   float spec = pow(max(dot(view_dir, reflect_dir), 0.0), material.shininess);
-  vec3 specular = light_color * (spec * material.specular);
+  vec3 specular = light.specular * (spec * material.specular);
 
   vec3 result = ambient + diffuse + specular;
   FragColor = vec4(result, 1.0);
diff --git a/src/main.odin b/src/main.odin
index ea37cc0..67f4c4c 100644
--- a/src/main.odin
+++ b/src/main.odin
@@ -398,17 +398,27 @@ main :: proc() {
 
 
 		shader.use(lighting_shader)
-		light_color := Vec3{1.0, 1.0, 1.0}
 
+		light_color := Vec3 {
+			cast(f32)math.sin(glfw.GetTime() * 2.0),
+			cast(f32)math.sin(glfw.GetTime() * 0.7),
+			cast(f32)math.sin(glfw.GetTime() * 1.3),
+		}
 		material_ambient := Vec3{1.0, 0.5, 0.31}
 		material_diffuse := Vec3{1.0, 0.5, 0.31}
 		material_specular := Vec3{0.5, 0.5, 0.5}
-		shader.set_vec3(lighting_shader, cstring("light_color"), &light_color)
 		shader.set_vec3(lighting_shader, cstring("material.ambient"), &material_ambient)
 		shader.set_vec3(lighting_shader, cstring("material.diffuse"), &material_diffuse)
 		shader.set_vec3(lighting_shader, cstring("material.specular"), &material_specular)
 		shader.set_f32(lighting_shader, cstring("material.shininess"), 32.0)
 
+		light_diffuse := light_color * Vec3{0.5, 0.5, 0.05}
+		light_ambient := light_diffuse * Vec3{0.2, 0.2, 0.2}
+		light_specular := Vec3{1.0, 1.0, 1.0}
+		shader.set_vec3(lighting_shader, cstring("light.ambient"), &light_ambient)
+		shader.set_vec3(lighting_shader, cstring("light.diffuse"), &light_diffuse)
+		shader.set_vec3(lighting_shader, cstring("light.specular"), &light_specular)
+
 		shader.set_vec3(lighting_shader, cstring("light_position"), &light_pos)
 		shader.set_vec3(lighting_shader, cstring("view_position"), &camera.position)
 
-- 
cgit 1.4.1-2-gfad0