public void Initialize(float radius, float offset)
{
Radius = radius;
HitOffset = offset;
float sx = Start.X;
float sy = Start.Y;
float ex = End.X;
float ey = End.Y;
// start point bounds
StartBounds = new RectF(
sx - radius - offset,
sy - radius - offset,
sx + radius + offset,
sy + radius + offset);
// end point bounds
EndBounds = new RectF(
ex - radius - offset,
ey - radius - offset,
ex + radius + offset,
ey + radius + offset);
// wire bounds
int ps = 4;
float[] px = new float[ps];
float[] py = new float[ps];
WireBounds = new PolygonF(px, py, ps);
UpdateWireBounds(sx, sy, ex, ey);
}
private void DrawPolygon(Canvas canvas, Paint paint, PolygonF poly)
{
int sides = poly.Sides;
float x1, y1, x2, y2;
int i, j = 0;
for (i = 0, j = sides - 1; i < sides; j = i++)
{
x1 = poly.GetX(i);
y1 = poly.GetY(i);
x2 = poly.GetX(j);
y2 = poly.GetY(j);
canvas.DrawLine(x1, y1, x2, y2, paint);
}
}
