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Fixed circle rendering and added 2D circle collider

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This commit is contained in:
Simon Lübeß
2022-11-26 12:17:31 +01:00
parent 0155a38ae6
commit 8f22cbb8bc
7 changed files with 240 additions and 17 deletions
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GlitchyEngine/src/World/Components.bf
+50 -2
View File
@@ -2,6 +2,7 @@ using System;
using GlitchyEngine.Math;
using GlitchyEngine.Renderer;
using GlitchyEngine.Core;
using Box2D;
namespace GlitchyEngine.World
{
@@ -49,6 +50,8 @@ namespace GlitchyEngine.World
public ColorRGBA Color = .White;
public Vector4 UvTransform = .(0, 0, 1, 1);
public bool IsCircle = false;
public this()
{
}
@@ -363,7 +366,15 @@ namespace GlitchyEngine.World
public bool FixedRotation = false;
internal int _runtimeBody = 0;
private int _runtimeBody = 0;
internal b2Body* RuntimeBody
{
[Inline]
get => (b2Body*)(void*)_runtimeBody;
[Inline]
set mut => _runtimeBody = (int)(void*)value;
}
}
struct BoxCollider2DComponent
@@ -377,6 +388,43 @@ namespace GlitchyEngine.World
public float Restitution = 0.0f;
public float RestitutionThreshold = 0.5f;
internal int _runtimeFixture = 0;
private int _runtimeFixture = 0;
internal b2Fixture* RuntimeFixture
{
[Inline]
get => (b2Fixture*)(void*)_runtimeFixture;
[Inline]
set mut => _runtimeFixture = (int)(void*)value;
}
[Inline]
internal ref b2Vec2 b2Offset mut => ref *(Box2D.b2Vec2*)(void*)&Offset;
}
struct CircleCollider2DComponent
{
public Vector2 Offset = .(0.0f, 0.0f);
public float Radius = 0.5f;
// TODO: move into 2D physics material
public float Density = 1.0f;
public float Friction = 0.5f;
public float Restitution = 0.0f;
public float RestitutionThreshold = 0.5f;
private int _runtimeFixture = 0;
internal b2Fixture* RuntimeFixture
{
[Inline]
get => (b2Fixture*)(void*)_runtimeFixture;
[Inline]
set mut => _runtimeFixture = (int)(void*)value;
}
[Inline]
internal ref b2Vec2 b2Offset mut => ref *(Box2D.b2Vec2*)(void*)&Offset;
}
}
GlitchyEngine/src/World/Scene.bf
+21 -3
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@@ -121,12 +121,13 @@ namespace GlitchyEngine.World
b2Body* body = Box2D.World.CreateBody(_physicsWorld2D, &def);
Box2D.Body.SetFixedRotation(body, rigidBody.FixedRotation);
rigidBody._runtimeBody = (int)(void*)body;
rigidBody.RuntimeBody = body;
if (entity.TryGetComponent<BoxCollider2DComponent>(let boxCollider))
{
b2Shape* boxShape = Box2D.Shape.CreatePolygon();
Box2D.Shape.PolygonSetAsBox(boxShape, boxCollider.Size.X * transform.Scale.X, boxCollider.Size.Y * transform.Scale.Y);
Box2D.Shape.PolygonSetAsBoxWithCenterAngle(boxShape, boxCollider.Size.X * transform.Scale.X, boxCollider.Size.Y * transform.Scale.Y, ref boxCollider.b2Offset, 0.0f);
b2FixtureDef fixtureDef = .();
fixtureDef.shape = boxShape;
@@ -136,7 +137,24 @@ namespace GlitchyEngine.World
fixtureDef.restitutionThreshold = boxCollider.RestitutionThreshold;
b2Fixture* fixture = Box2D.Body.CreateFixture(body, &fixtureDef);
boxCollider._runtimeFixture = (int)(void*)fixture;
boxCollider.RuntimeFixture = fixture;
}
if (entity.TryGetComponent<CircleCollider2DComponent>(let circleCollider))
{
b2Shape* circleShape = Box2D.Shape.CreateCircle();
Box2D.Shape.CircleSetPosition(circleShape, ref circleCollider.b2Offset);
Box2D.Shape.SetRadius(circleShape, circleCollider.Radius);
b2FixtureDef fixtureDef = .();
fixtureDef.shape = circleShape;
fixtureDef.density = circleCollider.Density;
fixtureDef.friction = circleCollider.Friction;
fixtureDef.restitution = circleCollider.Restitution;
fixtureDef.restitutionThreshold = circleCollider.RestitutionThreshold;
b2Fixture* fixture = Box2D.Body.CreateFixture(body, &fixtureDef);
circleCollider.RuntimeFixture = fixture;
}
}
}
@@ -184,7 +202,7 @@ namespace GlitchyEngine.World
var transform = entity.Transform;
var rigidbody = entry.Component;
b2Body* body = (b2Body*)(void*)rigidbody._runtimeBody;
b2Body* body = rigidbody.RuntimeBody;
b2Vec2 position = Box2D.Body.GetPosition(body);
float angle = Box2D.Body.GetAngle(body);
GlitchyEngine/src/World/SceneSerializer.bf
+32
View File
@@ -88,6 +88,7 @@ namespace GlitchyEngine.World
Serialize.Value(writer, "Color", component.Color);
Serialize.Value(writer, "UvTransform", component.UvTransform);
Serialize.Value(writer, "IsCircle", component.IsCircle);
});
SerializeComponent<TransformComponent>(writer, entity, "TransformComponent", scope (component) =>
@@ -156,6 +157,17 @@ namespace GlitchyEngine.World
Serialize.Value(writer, "Restitution", component.Restitution);
Serialize.Value(writer, "RestitutionThreshold", component.RestitutionThreshold);
});
SerializeComponent<CircleCollider2DComponent>(writer, entity, "CircleCollider2D", scope (component) =>
{
Serialize.Value(writer, "Offset", component.Offset);
Serialize.Value(writer, "Radius", component.Radius);
Serialize.Value(writer, "Density", component.Density);
Serialize.Value(writer, "Friction", component.Friction);
Serialize.Value(writer, "Restitution", component.Restitution);
Serialize.Value(writer, "RestitutionThreshold", component.RestitutionThreshold);
});
}
writer.EntryEnd();
@@ -297,6 +309,8 @@ namespace GlitchyEngine.World
Try!(Deserialize.Value(reader, "Color", out component.Color));
reader.EntryEnd();
Try!(Deserialize.Value(reader, "UvTransform", out component.UvTransform));
reader.EntryEnd();
Try!(Deserialize.Value(reader, "IsCircle", out component.IsCircle));
return .Ok;
}));
@@ -419,6 +433,24 @@ namespace GlitchyEngine.World
reader.EntryEnd();
Deserialize.Value(reader, "RestitutionThreshold", out component.RestitutionThreshold);
return .Ok;
}));
case "CircleCollider2D":
Try!(DeserializeComponent<CircleCollider2DComponent>(reader, entity, scope (component) =>
{
Deserialize.Value(reader, "Offset", out component.Offset);
reader.EntryEnd();
Deserialize.Value(reader, "Radius", out component.Radius);
reader.EntryEnd();
Deserialize.Value(reader, "Density", out component.Density);
reader.EntryEnd();
Deserialize.Value(reader, "Friction", out component.Friction);
reader.EntryEnd();
Deserialize.Value(reader, "Restitution", out component.Restitution);
reader.EntryEnd();
Deserialize.Value(reader, "RestitutionThreshold", out component.RestitutionThreshold);
return .Ok;
}));