2D Physics

GlitchyEditor/content/Scenes/physics2D.scene

@@ -0,0 +1,168 @@
+{
+	Name = "Scene name here pls!!!",
+	Entities = [
+		{
+			Id = 0,
+			NameComponent = {
+				Name = "Quad"
+			},
+			SpriterRendererComponent = {
+				Color = {
+					R = 0,
+					G = 0.551178,
+					B = 0.328787,
+					A = 1
+				},
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 2,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Dynamic,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 1,
+			NameComponent = {
+				Name = "Floor"
+			},
+			SpriterRendererComponent = {
+				Color = {
+					R = 1,
+					G = 0.941886,
+					B = 0.401485,
+					A = 1
+				},
+				UvTransform = {
+					X = 0,
+					Y = 0,
+					Z = 1,
+					W = 1
+				}
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = -0.5,
+					Z = 0
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 10,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			Rigidbody2D = {
+				BodyType = .Static,
+				FixedRotation = false
+			},
+			BoxCollider2D = {
+				Offset = {
+					X = 0,
+					Y = 0
+				},
+				Size = {
+					X = 0.5,
+					Y = 0.5
+				},
+				Density = 1,
+				Friction = 0.5,
+				Restitution = 0,
+				RestitutionThreshold = 0.5
+			}
+		},
+		{
+			Id = 2,
+			NameComponent = {
+				Name = "Camera"
+			},
+			TransformComponent = {
+				Position = {
+					X = 0,
+					Y = 1,
+					Z = -5
+				},
+				Rotation = {
+					X = 0,
+					Y = 0,
+					Z = 0,
+					W = 1
+				},
+				Scale = {
+					X = 1,
+					Y = 1,
+					Z = 1
+				},
+				EditorEulerRotation = {
+					X = 0,
+					Y = 0,
+					Z = 0
+				}
+			},
+			CameraComponent = {
+				Primary = true,
+				ProjectionType = .InfinitePerspective,
+				PerspectiveFovY = 1.308997,
+				PerspectiveNearPlane = 0.1,
+				PerspectiveFarPlane = 10000,
+				OrthographicHeight = 10,
+				OrthographicNearPlane = 0,
+				OrthographicFarPlane = 10,
+				AspectRatio = 2.329843,
+				FixedAspectRatio = false
+			}
+		}
+	]
+}

GlitchyEditor/src/EditWindows/ComponentEditWindow.bf

@@ -64,6 +64,8 @@ namespace GlitchyEditor.EditWindows
 			ShowComponentEditor<MeshRendererComponent>("Mesh Renderer", entity, => ShowMeshRendererComponentEditor, => ShowComponentContextMenu<MeshRendererComponent>);
 			ShowComponentEditor<LightComponent>("Light", entity, => ShowLightComponentEditor, => ShowComponentContextMenu<LightComponent>);
 			ShowComponentEditor<MeshComponent>("Mesh", entity, => ShowMeshComponentEditor, => ShowComponentContextMenu<MeshComponent>);
+			ShowComponentEditor<Rigidbody2DComponent>("Rigidbody 2D", entity, => ShowRigidBody2DComponentEditor, => ShowComponentContextMenu<Rigidbody2DComponent>);
+			ShowComponentEditor<BoxCollider2DComponent>("Box collider 2D", entity, => ShowBoxCollider2DComponentEditor, => ShowComponentContextMenu<BoxCollider2DComponent>);
 
 			ShowAddComponentButton(entity);
 		}
@@ -410,6 +412,64 @@ namespace GlitchyEditor.EditWindows
 				}
 			}
 		}
+		
+		private static void ShowRigidBody2DComponentEditor(Entity entity, Rigidbody2DComponent* rigidBodyComponent)
+		{
+			const String[?] bodyTypeStrings = .("Static", "Dynamic", "Kinematic");
+			String bodyTypeName = bodyTypeStrings[rigidBodyComponent.BodyType.Underlying];
+
+			if (ImGui.BeginCombo("Type", bodyTypeName.CStr()))
+			{
+				for (int i = 0; i < 3; i++)
+				{
+					bool isSelected = (bodyTypeName == bodyTypeStrings[i]);
+
+					if (ImGui.Selectable(bodyTypeStrings[i], isSelected))
+					{
+						rigidBodyComponent.BodyType = (.)i;
+					}
+
+					if (isSelected)
+						ImGui.SetItemDefaultFocus();
+				}
+
+				ImGui.EndCombo();
+			}
+
+
+			ImGui.Checkbox("Fixed Rotation", &rigidBodyComponent.FixedRotation);
+		}
+
+		private static void ShowBoxCollider2DComponentEditor(Entity entity, BoxCollider2DComponent* boxCollider)
+		{
+			float textWidth = ImGui.CalcTextSize("Offset".CStr()).x;
+			textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
+
+
+			Vector2 offset = boxCollider.Offset;
+			if (ImGui.EditVector2("Offset", ref offset, .Zero, 0.1f, textWidth))
+				boxCollider.Offset = offset;
+
+			Vector2 size = boxCollider.Size;
+			if (ImGui.EditVector2("Size", ref size, .Zero, 0.1f, textWidth))
+				boxCollider.Size = size;
+			
+			float density = boxCollider.Density;
+			if (ImGui.DragFloat("Density", &density, 0.0f, 0.1f, textWidth))
+				boxCollider.Density = density;
+			
+			float friction = boxCollider.Friction;
+			if (ImGui.DragFloat("Friction", &friction, 0.0f, 0.1f, textWidth))
+				boxCollider.Friction = friction;
+
+			float restitution = boxCollider.Restitution;
+			if (ImGui.DragFloat("Restitution", &restitution, 0.0f, 0.1f, textWidth))
+				boxCollider.Restitution = restitution;
+
+			float restitutionThreshold = boxCollider.RestitutionThreshold;
+			if (ImGui.DragFloat("RestitutionThreshold", &restitutionThreshold, 0.0f, 0.1f, textWidth))
+				boxCollider.RestitutionThreshold = restitutionThreshold;
+		}
 
 		private static void LabelColumn(StringView label)
 		{
@@ -517,6 +577,10 @@ namespace GlitchyEditor.EditWindows
 
 			void ShowComponentButton<TComponent>(String name) where TComponent : struct, new
 			{
+				// If the entity already has this component, don't show the option to add it
+				if (entity.HasComponent<TComponent>())
+					return;
+
 				float textWidth = ImGui.CalcTextSize(name.CStr()).x;
 				buttonWidth = Math.Max(buttonWidth, textWidth + ImGui.GetStyle().FramePadding.x * 2);
 
@@ -547,6 +611,8 @@ namespace GlitchyEditor.EditWindows
 				ShowComponentButton<CameraComponent>("Camera");
 				ShowComponentButton<SpriterRendererComponent>("Sprite Renderer");
 				ShowComponentButton<LightComponent>("Light");
+				ShowComponentButton<Rigidbody2DComponent>("Rigidbody 2D");
+				ShowComponentButton<BoxCollider2DComponent>("Box collider 2D");
 
 				ImGui.EndCombo();
 			}

GlitchyEditor/src/EditorLayer.bf

@@ -310,12 +310,16 @@ namespace GlitchyEditor
 		{
 			_sceneState = .Play;
 			_editor.SceneViewportWindow.EditorMode = false;
+
+			_scene.OnRuntimeStart();
 		}
 
 		private void OnSceneStop()
 		{
-			_sceneState = .Edit;
+			_scene.OnRuntimeStop();
+
 			_editor.SceneViewportWindow.EditorMode = true;
+			_sceneState = .Edit;
 		}
 
 		// Just for testing
@@ -459,19 +463,26 @@ namespace GlitchyEditor
 			_camera.Position = .(-1.5f, 1.5f, -2.5f);
 			_camera.RotationEuler = .(MathHelper.ToRadians(25), MathHelper.ToRadians(35), 0);
 
+			/*// Create default camera
+			{
+				let camEntity = _scene.CreateEntity("Camera");
+				let transform = camEntity.Transform;
+				transform.Position = 
+			}
+
 			// Create the default light source
 			{
-				var lightNtt = _scene.CreateEntity("Light");
-				let transform = lightNtt.GetComponent<TransformComponent>();
+				let lightNtt = _scene.CreateEntity("Light");
+				let transform = lightNtt.Transform;
 				transform.Position = .(0, 0, 0);
 				transform.RotationEuler = .(MathHelper.ToRadians(45), MathHelper.ToRadians(-100), 0);
 
 				let light = lightNtt.AddComponent<LightComponent>();
 				light.SceneLight.Illuminance = 10.0f;
 				light.SceneLight.Color = .(1.0f, 0.95f, 0.8f);
-			}
+			}*/
 
-			TestEntitiesWithModels();
+			//TestEntitiesWithModels();
 		}
 		
 		/// Saves the scene in the file that is was loaded from or saved to last. If there is no such path (i.e. it is a new scene) the save file dialog will open.