private static CollisionInfo GetCollisionInfo(RigidCircle circle, RigidTriangle triangle)
{
var a = triangle.Points[0]; var b = triangle.Points[1]; var c = triangle.Points[2];
var q = GetClosestPoint(circle.Center, a, b, c);
var v = q - circle.Center;
return(Vector.ScalarProduct(v, v) <= circle.Radius * circle.Radius
? new CollisionInfo(v.Length, v, q)
: null);
}
private static void DrawTriangle(RigidTriangle shape, Vector cameraPosition, Pen strokePen, Graphics g)
{
var pointsInCamera = new PointF[3];
for (var i = 0; i < 3; i++)
{
pointsInCamera[i] = shape.Points[i].ConvertFromWorldToCamera(cameraPosition).GetPointF();
}
g.DrawPolygon(strokePen, pointsInCamera);
}
private static void DrawTriangle(RigidTriangle shape, Pen strokePen, Graphics g)
{
var points = new PointF[3];
for (var i = 0; i < 3; i++)
{
points[i] = shape.Points[i].GetPointF();
}
g.DrawPolygon(strokePen, points);
}
public Range(Vector playerCenter)
{
var trianglePoints = new[]
{
playerCenter.Copy(),
playerCenter + new Vector(0, -74),
playerCenter + new Vector(32, 0)
};
Sector = new RigidCircleQuarter(
new Vector(0, -1),
2,
new RigidCircle(playerCenter.Copy(), 74, false, false));
Triangle = new RigidTriangle(trianglePoints, false, false);
currentAngle = 90;
}