/// <summary>
/// Draw an outlined box on the screen.
/// </summary>
/// <param name="rect">The RotRect of the box.</param>
/// <param name="bordersize">The border size.</param>
/// <param name="col">The color.</param>
public void DrawOutlinedBox(RotRect rect, float bordersize, Color col)
{
if (bordersize == 0)
{
return;
}
bordersize *= Camera.Scale;
Vector2[] avec = rect.GetRotatedPosArray(); // [topLeft, topRight, botRight, botLeft]
DrawLine(avec[0], avec[1], bordersize, col); // top left to top right
DrawLine(avec[1], avec[2], bordersize, col); // top right to bottom right
DrawLine(avec[0], avec[3], bordersize, col); // top left to bottom left
DrawLine(avec[2], avec[3], bordersize, col); // bottom left to bottom right
}
/// <summary>
/// Test if the RotRect intersects with another RotRect.
/// </summary>
/// <param name="other">The other RotRect to test.</param>
/// <returns>True if they intersect, false if they don't.</returns>
public bool Intersects(RotRect other)
{
Vector2[] points = GetRotatedPosArray();
Vector2[] otherPoints = other.GetRotatedPosArray();
if (PointInPolygon(points[0], otherPoints) ||
PointInPolygon(points[1], otherPoints) ||
PointInPolygon(points[2], otherPoints) ||
PointInPolygon(points[3], otherPoints) ||
PointInPolygon(otherPoints[0], points) ||
PointInPolygon(otherPoints[1], points) ||
PointInPolygon(otherPoints[2], points) ||
PointInPolygon(otherPoints[3], points)
)
{
return(true);
}
if (SpecialMath.LineSegmentsIntersect(points[0], points[1], otherPoints[0], otherPoints[1]) ||
SpecialMath.LineSegmentsIntersect(points[1], points[2], otherPoints[0], otherPoints[1]) ||
SpecialMath.LineSegmentsIntersect(points[2], points[3], otherPoints[0], otherPoints[1]) ||
SpecialMath.LineSegmentsIntersect(points[3], points[0], otherPoints[0], otherPoints[1]) ||
SpecialMath.LineSegmentsIntersect(points[0], points[1], otherPoints[1], otherPoints[2]) ||
SpecialMath.LineSegmentsIntersect(points[1], points[2], otherPoints[1], otherPoints[2]) ||
SpecialMath.LineSegmentsIntersect(points[2], points[3], otherPoints[1], otherPoints[2]) ||
SpecialMath.LineSegmentsIntersect(points[3], points[0], otherPoints[1], otherPoints[2]) ||
SpecialMath.LineSegmentsIntersect(points[0], points[1], otherPoints[2], otherPoints[3]) ||
SpecialMath.LineSegmentsIntersect(points[1], points[2], otherPoints[2], otherPoints[3]) ||
SpecialMath.LineSegmentsIntersect(points[2], points[3], otherPoints[2], otherPoints[3]) ||
SpecialMath.LineSegmentsIntersect(points[3], points[0], otherPoints[2], otherPoints[3]) ||
SpecialMath.LineSegmentsIntersect(points[0], points[1], otherPoints[3], otherPoints[0]) ||
SpecialMath.LineSegmentsIntersect(points[1], points[2], otherPoints[3], otherPoints[0]) ||
SpecialMath.LineSegmentsIntersect(points[2], points[3], otherPoints[3], otherPoints[0]) ||
SpecialMath.LineSegmentsIntersect(points[3], points[0], otherPoints[3], otherPoints[0])
)
{
return(true);
}
return(false);
}