private static float2 Depenetrate(RectangleCollider rectangleA, RectangleCollider rectangleB)
{
float2 depenetration = float2.zero;
float depth = float.PositiveInfinity;
for (int i = 0; rectangleA.axes.Count > i; i++)
{
float2 axis = math.normalizesafe(rectangleA.axes[i]);
float overlap = LineOverlap(Project(rectangleA, axis), Project(rectangleB, axis));
if (overlap == 0)
{
return(float2.zero);
}
if (depth > overlap)
{
depth = overlap;
depenetration = axis;
}
}
for (int i = 0; rectangleB.axes.Count > i; i++)
{
float2 axis = math.normalizesafe(rectangleB.axes[i]);
float overlap = LineOverlap(Project(rectangleA, axis), Project(rectangleB, axis));
if (overlap == 0)
{
return(float2.zero);
}
if (depth > overlap)
{
depth = overlap;
depenetration = axis;
}
}
return(depenetration * depth * (math.dot(depenetration, rectangleB.position - rectangleA.position) >= 0 ? -1 : 1));
}
private static bool Intersects(RectangleCollider rectangle, PolygonCollider polygon)
{
for (int i = 0; rectangle.axes.Count > i; i++)
{
float2 axis = rectangle.axes[i];
if (LineOverlap(Project(rectangle, axis), Project(polygon, axis)) == 0)
{
return(false);
}
}
for (int i = 0; polygon.points.Count > i; i++)
{
float2 axis = polygon.edges[i].perpendicular();
if (LineOverlap(Project(rectangle, axis), Project(polygon, axis)) == 0)
{
return(false);
}
}
return(true);
}
private static bool Intersects(RectangleCollider rectangleA, RectangleCollider rectangleB)
{
for (int i = 0; rectangleA.axes.Count > i; i++)
{
float2 axis = rectangleA.axes[i];
if (LineOverlap(Project(rectangleA, axis), Project(rectangleB, axis)) == 0)
{
return(false);
}
}
for (int i = 0; rectangleB.axes.Count > i; i++)
{
float2 axis = rectangleB.axes[i];
if (LineOverlap(Project(rectangleA, axis), Project(rectangleB, axis)) == 0)
{
return(false);
}
}
return(true);
}
private static bool ContainedBy(float2 point, RectangleCollider rectangleCollider) => rectangleCollider.radians != 0
? ContainedBy(point, rectangleCollider as ShapeCollider)
: rectangleCollider.xMax > point.x && point.x > rectangleCollider.xMin && rectangleCollider.yMax > point.y && point.y > rectangleCollider.yMin;
private static bool Intersects(PolygonCollider polygon, RectangleCollider rectangle) => Intersects(rectangle, polygon);