Point lights

renderer/point_light.jai

@@ -0,0 +1,41 @@
+Point_Light :: struct {
+    using #as entity : Entity;
+    entity.type = Point_Light;
+
+    color: Vector3;
+    intensity: float = 1.0;
+    attenuation_radius: float = 3.0;
+}
+
+Point_Light_Shader_Data :: struct {
+    position: Vector4;
+    color: Vector4;
+    attenuation_radius: float;
+
+    pad: Vector3;
+}
+
+MAX_POINT_LIGHTS :: 64;
+
+Point_Light_Array :: struct {
+    point_lights: [MAX_POINT_LIGHTS] Point_Light_Shader_Data;
+    num_point_lights: s32;
+    
+    padding: Vector3;
+}
+
+init_entity :: (light: *Point_Light) {
+    light.intensity = 1.0;
+    light.color = .{1,1,1};
+    light.attenuation_radius = 3.0;
+}
+
+to_shader_point_light :: (point_light: *Point_Light) -> Point_Light_Shader_Data {
+    data : Point_Light_Shader_Data;
+
+    data.position = to_v4(get_position(point_light.transform));
+    data.color = to_v4(point_light.color*point_light.intensity);
+    data.attenuation_radius = point_light.attenuation_radius;
+
+    return data;
+}