feat: CollisionDetector CircleCircle Projection
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@ -49,17 +49,34 @@ public class CollisionDetector : ICollisionDetector
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{
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collisionInformation = default;
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Vector2D leftToRightCenter = left.CircleWorld.Center.FromTo(right.CircleWorld.Center);
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float distanceCircleCenter = leftToRightCenter.Magnitude;
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float radiusSum = left.CircleWorld.Radius + right.CircleWorld.Radius;
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Vector2D leftToRightCenterProjectionVector = left.CircleWorld.Center.FromTo(right.CircleWorld.Center).Normalized;
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float circleSurfaceDistance = distanceCircleCenter - radiusSum;
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Projection leftProjection = left.CircleWorld.ToProjection(leftToRightCenterProjectionVector);
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Projection rightProjection = right.CircleWorld.ToProjection(leftToRightCenterProjectionVector);
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bool collision = circleSurfaceDistance <= 0f;
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bool collision = leftProjection.Overlaps(rightProjection, out float depth);
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if (collision)
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collisionInformation = new(left, right, leftToRightCenter.Normalized, -circleSurfaceDistance);
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collisionInformation = new(left, right, leftToRightCenterProjectionVector, depth);
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return collision;
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}
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// private static bool DetectCircleCircle(ICircleCollider2D left, ICircleCollider2D right, out CollisionDetectionInformation? collisionInformation)
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// {
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// collisionInformation = default;
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// Vector2D leftToRightCenter = left.CircleWorld.Center.FromTo(right.CircleWorld.Center);
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// float distanceCircleCenter = leftToRightCenter.Magnitude;
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// float radiusSum = left.CircleWorld.Radius + right.CircleWorld.Radius;
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// float circleSurfaceDistance = distanceCircleCenter - radiusSum;
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// bool collision = circleSurfaceDistance <= 0f;
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// if (collision)
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// collisionInformation = new(left, right, leftToRightCenter.Normalized, -circleSurfaceDistance);
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// return collision;
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// }
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}
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