Syntriax/Engine-Pong
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Syntriax
2023-12-06 17:36:56 +03:00
parent 73c939805f
commit fd8964e58b
2 changed files with 61 additions and 28 deletions
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25
Game/Physics2D/PhysicsEngine2D.cs
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@@ -56,10 +56,10 @@ public class PhysicsEngine2D : IPhysicsEngine2D
CheckCollisions(colliders[i], colliders, (collider1, collider2, collisionVertex) =>
{
ResolveCollision(collider1, collider2, collisionVertex, intervalDeltaTime);
ResolveCollision(collider2, collider1, collisionVertex, intervalDeltaTime);
// ResolveCollision(collider2, collider1, collisionVertex, intervalDeltaTime);
collider1.Recalculate();
collider2.Recalculate();
// collider1.Recalculate();
// collider2.Recalculate();
});
}
}
@@ -76,7 +76,8 @@ public class PhysicsEngine2D : IPhysicsEngine2D
c2.Vertices.ToLines(lines);
Vector2 normal = Vector2.UnitY;
float t = 0f;
float t = 1f;
bool hasIntersectedWithLines = false;
foreach (var line in lines)
{
@@ -86,16 +87,24 @@ public class PhysicsEngine2D : IPhysicsEngine2D
if (intersectionPoint is not Vector2 ip)
continue;
t = vertexTrajectory.GetT(ip);
float tTemp = vertexTrajectory.GetT(ip);
if (tTemp > t) // React to the earliest collision value
continue;
t = tTemp;
Vector2 lineDirection = line.Direction;
normal = new(lineDirection.Y, lineDirection.X);
break;
hasIntersectedWithLines = true;
}
StepRigidBody(c1.RigidBody2D, -t * intervalDeltaTime);
if (!hasIntersectedWithLines)
return;
float rewindInterval = t * intervalDeltaTime;
StepRigidBody(c1.RigidBody2D, -rewindInterval);
c1.RigidBody2D.Velocity = Vector2.Reflect(c1.RigidBody2D.Velocity, normal);
StepRigidBody(c1.RigidBody2D, intervalDeltaTime - t * intervalDeltaTime);
StepRigidBody(c1.RigidBody2D, rewindInterval);
}
private void CheckCollisions(ICollider2D collider2D, List<ICollider2D> collider2Ds, Action<ICollider2D, ICollider2D, Vector2> OnCollisionDetectedAction)