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2D Polygon Collider

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This commit is contained in:
Simon Lübeß
2023-08-13 12:03:06 +02:00
parent 4e5d3cfd64
commit 74b17c8599
5 changed files with 177 additions and 6 deletions
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GlitchyEditor/src/EditWindows/ComponentEditWindow.bf
+48 -2
View File
@@ -71,6 +71,7 @@ namespace GlitchyEditor.EditWindows
ShowComponentEditor<Rigidbody2DComponent>("Rigidbody 2D", entity, => ShowRigidBody2DComponentEditor, => ShowComponentContextMenu<Rigidbody2DComponent>);
ShowComponentEditor<BoxCollider2DComponent>("Box collider 2D", entity, => ShowBoxCollider2DComponentEditor, => ShowComponentContextMenu<BoxCollider2DComponent>);
ShowComponentEditor<CircleCollider2DComponent>("Circle collider 2D", entity, => ShowCircleCollider2DComponentEditor, => ShowComponentContextMenu<CircleCollider2DComponent>);
ShowComponentEditor<PolygonCollider2DComponent>("Polygon collider 2D", entity, => ShowPolygonCollider2DComponentEditor, => ShowComponentContextMenu<PolygonCollider2DComponent>);
ShowComponentEditor<ScriptComponent>("Script Component", entity, => ShowScriptComponentEditor, => ShowComponentContextMenu<ScriptComponent>);
ShowAddComponentButton(entity);
@@ -399,7 +400,7 @@ namespace GlitchyEditor.EditWindows
boxCollider.Offset = offset;
float2 size = boxCollider.Size;
if (ImGui.Editfloat2("Size", ref size, .Zero, 0.1f, textWidth))
if (ImGui.Editfloat2("Size", ref size, .Zero, 0.1f, textWidth, float2(0.01f, 0.01f), float.PositiveInfinity.XX))
boxCollider.Size = size;
float density = boxCollider.Density;
@@ -424,7 +425,6 @@ namespace GlitchyEditor.EditWindows
float textWidth = ImGui.CalcTextSize("Offset".CStr()).x;
textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
float2 offset = circleCollider.Offset;
if (ImGui.Editfloat2("Offset", ref offset, .Zero, 0.1f, textWidth))
circleCollider.Offset = offset;
@@ -449,6 +449,51 @@ namespace GlitchyEditor.EditWindows
if (ImGui.DragFloat("RestitutionThreshold", &restitutionThreshold, 0.0f, 0.1f, textWidth))
circleCollider.RestitutionThreshold = restitutionThreshold;
}
private static void ShowPolygonCollider2DComponentEditor(Entity entity, PolygonCollider2DComponent* polygonCollider)
{
float textWidth = ImGui.CalcTextSize("Offset".CStr()).x;
textWidth += ImGui.GetStyle().FramePadding.x * 3.0f;
float2 offset = polygonCollider.Offset;
if (ImGui.Editfloat2("Offset", ref offset, .Zero, 0.1f, textWidth))
polygonCollider.Offset = offset;
// TODO: Handles in editor, etc...
if (ImGui.CollapsingHeader("Vertices"))
{
for (int i < polygonCollider.VertexCount)
{
ImGui.Editfloat2(scope $"{i}", ref polygonCollider.Vertices[i]);
}
}
ImGui.BeginDisabled(polygonCollider.VertexCount >= 8);
if (ImGui.Button("Add Vertex"))
polygonCollider.VertexCount++;
ImGui.EndDisabled();
ImGui.BeginDisabled(polygonCollider.VertexCount <= 3);
if (ImGui.Button("Remove Vertex"))
polygonCollider.VertexCount--;
ImGui.EndDisabled();
float density = polygonCollider.Density;
if (ImGui.DragFloat("Density", &density, 0.0f, 0.1f, textWidth))
polygonCollider.Density = density;
float friction = polygonCollider.Friction;
if (ImGui.DragFloat("Friction", &friction, 0.0f, 0.1f, textWidth))
polygonCollider.Friction = friction;
float restitution = polygonCollider.Restitution;
if (ImGui.DragFloat("Restitution", &restitution, 0.0f, 0.1f, textWidth))
polygonCollider.Restitution = restitution;
float restitutionThreshold = polygonCollider.RestitutionThreshold;
if (ImGui.DragFloat("RestitutionThreshold", &restitutionThreshold, 0.0f, 0.1f, textWidth))
polygonCollider.RestitutionThreshold = restitutionThreshold;
}
private static void ShowScriptComponentEditor(Entity entity, ScriptComponent* scriptComponent)
{
@@ -1158,6 +1203,7 @@ namespace GlitchyEditor.EditWindows
ShowComponentButton<Rigidbody2DComponent>("Rigidbody 2D");
ShowComponentButton<BoxCollider2DComponent>("Box collider 2D");
ShowComponentButton<CircleCollider2DComponent>("Circle collider 2D");
ShowComponentButton<PolygonCollider2DComponent>("Polygon collider 2D");
ShowComponentButton<MeshComponent>("Mesh");
ShowComponentButton<MeshRendererComponent>("Mesh Renderer");
ShowComponentButton<ScriptComponent>("C# Script");
GlitchyEditor/src/EditorLayer.bf
+21 -2
View File
@@ -405,12 +405,31 @@ namespace GlitchyEditor
for (var (entity, transform, collider) in _activeScene.GetEntities<TransformComponent, BoxCollider2DComponent>())
{
Renderer2D.DrawRect(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Size.X * 2, collider.Size.Y * 2, 0), .Green);
Renderer2D.DrawRect(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Size.X * 2, collider.Size.Y * 2, 0), .Green, entity.Index);
}
for (var (entity, transform, collider) in _activeScene.GetEntities<TransformComponent, CircleCollider2DComponent>())
{
Renderer2D.DrawCircle(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Radius * 2), (Texture2D)null, ColorRGBA(0f, 1f, 0f), 0.01f);
Renderer2D.DrawCircle(transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0) * Matrix.Scaling(collider.Radius * 2), (Texture2D)null, ColorRGBA(0f, 1f, 0f), 0.01f, .(0, 0, 1, 1), entity.Index);
}
for (var (entity, transform, collider) in _activeScene.GetEntities<TransformComponent, PolygonCollider2DComponent>())
{
Matrix colliderTransform = transform.WorldTransform * Matrix.Translation(collider.Offset.X, collider.Offset.Y, 0);
float3 firstPosition = (colliderTransform * float4(collider.Vertices[0], 0, 1)).XYZ;
float3 lastPosition = firstPosition;
for (int i = 1; i < collider.VertexCount; i++)
{
float3 position = (colliderTransform * float4(collider.Vertices[i], 0, 1)).XYZ;
Renderer2D.DrawLine(lastPosition, position, .Green, entity.Index);
lastPosition = position;
}
Renderer2D.DrawLine(lastPosition, firstPosition, .Green, entity.Index);
}
}