From 77c5c23cf590962bd6e5625c94bd102b06b476c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20M=C3=A5rdbrink?= <hugo@mardbrink.se>
Date: Mon, 25 Aug 2025 23:35:43 +0200
Subject: [PATCH] Add black background

---
 ecs/components.odin    |  4 ++--
 ecs/render_system.odin | 22 ++++++++++++++++------
 main.odin              |  4 ++--
 3 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/ecs/components.odin b/ecs/components.odin
index 96e69d8..1d45b63 100644
--- a/ecs/components.odin
+++ b/ecs/components.odin
@@ -29,7 +29,7 @@ ColorComponent :: struct {
 }
 
 MeshID :: enum {
-    CubeMesh,
+    Cube,
 }
 
 MeshComponent :: struct {
@@ -37,7 +37,7 @@ MeshComponent :: struct {
 }
 
 MaterialID :: enum {
-    GridTexture,
+    Grid,
 }
 
 MaterialComponent :: struct {
diff --git a/ecs/render_system.odin b/ecs/render_system.odin
index a1f019b..5c53c8c 100644
--- a/ecs/render_system.odin
+++ b/ecs/render_system.odin
@@ -93,7 +93,7 @@ init_grid_material :: proc(render_system: ^RenderSystem) {
 
     sampler := sg.make_sampler({})
 
-    render_system.materials[.GridTexture] = Material{
+    render_system.materials[.Grid] = Material{
         shader = shader,
         pipeline = pipeline,
         image = image,
@@ -158,7 +158,7 @@ init_cube_mesh :: proc (render_system: ^RenderSystem) {
         data = sg_range(cube_indices),
     })
 
-    render_system.meshes[.CubeMesh] = Mesh{
+    render_system.meshes[.Cube] = Mesh{
         vertex_buffer = vertex_buffer,
         index_buffer = index_buffer,
     }
@@ -182,11 +182,11 @@ render_system_init :: proc(render_system: ^RenderSystem, camera_entity: EntityID
 }
 
 render_system_delete :: proc(render_system: ^RenderSystem, coordinator: ^Coordinator) {
-    cube_mesh := render_system.meshes[.CubeMesh]
+    cube_mesh := render_system.meshes[.Cube]
     sg.destroy_buffer(cube_mesh.index_buffer)
     sg.destroy_buffer(cube_mesh.vertex_buffer)
 
-    grid_material := render_system.materials[.GridTexture]
+    grid_material := render_system.materials[.Grid]
     sg.destroy_image(grid_material.image)
     sg.destroy_sampler(grid_material.sampler)
     sg.destroy_pipeline(grid_material.pipeline)
@@ -203,8 +203,18 @@ render_system_update :: proc(render_system: ^RenderSystem, coordinator: ^Coordin
 
     proj := linalg.matrix4_perspective_f32(70, sa.widthf() / sa.heightf(), 0.001, 1000)
     view := linalg.matrix4_look_at_f32(camera.position, camera.target, { 0, 1, 0 } )
-    
-    sg.begin_pass({ swapchain = sh.glue_swapchain() })
+   
+    BACKGROUND_COLOR :: sg.Color{ 0, 0, 0, 1 }
+    CLEAR_SCREEN_ACTION :: sg.Pass_Action{
+        colors = {
+            0 = {
+                load_action = .CLEAR,
+                clear_value = BACKGROUND_COLOR,
+            }
+        }
+    }
+
+    sg.begin_pass({ swapchain = sh.glue_swapchain(), action = CLEAR_SCREEN_ACTION })
 
     for entity in render_system.entities {
         transform := coordinator_get_component(TransformComponent, coordinator, entity)
diff --git a/main.odin b/main.odin
index 6133210..1a7134c 100644
--- a/main.odin
+++ b/main.odin
@@ -211,14 +211,14 @@ create_scene :: proc() {
             &g.coordinator, 
             entity, 
             ecs.MeshComponent{
-                mesh_id = .CubeMesh
+                mesh_id = .Cube
             })
         ecs.coordinator_add_component(
             ecs.MaterialComponent, 
             &g.coordinator, 
             entity, 
             ecs.MaterialComponent{
-                material_id = .GridTexture
+                material_id = .Grid
             })
     }	
 }