static public bool overlap(SceneShapeLine shape1, SceneShapeRound shape2)
{
LineSegf line = new LineSegf(new Vector2f(shape1.mVertex1.x, shape1.mVertex1.y), new Vector2f(shape1.mVertex2.x, shape1.mVertex2.y));
Vector2f tarPos = Geometryalgorithm2d.point_line_intersect(new Vector2f(shape2.mCenter.x, shape2.mCenter.y), line);
return((tarPos.Subtract(new Vector2f(shape2.mCenter.x, shape2.mCenter.y))).length() <= shape2.mRadius);
}
static public bool overlap(SceneShapeLine shape1, SceneShapePolygon shape2)
{
LineSegf line = new LineSegf(new Vector2f(shape1.mVertex1.x, shape1.mVertex1.y), new Vector2f(shape1.mVertex2.x, shape1.mVertex2.y));
for (int i = 1; i < shape2.mPts.Count; i++)
{
Vector2f p1 = new Vector2f(shape2.mPts[i - 1].x, shape2.mPts[i - 1].y);
Vector2f p2 = new Vector2f(shape2.mPts[i].x, shape2.mPts[i].y);
if (Geometryalgorithm2d.lineseg_intersect_lineseg(line, new LineSegf(p1, p2)))
{
return(true);
}
}
return(false);
}
static public bool overlap(SceneShapeLine shape1, SceneShapeRect shape2)
{
return(Geometryalgorithm2d.lineseg_intersect_rectangle(
new LineSegf(new Vector2f(shape1.mVertex1.x, shape1.mVertex1.y), new Vector2f(shape1.mVertex2.x, shape1.mVertex2.y)),
new Rectanglef(new Vector2f(shape2.leftBottom().x, shape2.leftBottom().y), new Vector2f(shape2.rightTop().x, shape2.rightTop().y))));
}
static public bool overlap(SceneShapeLine shape1, SceneShapeLine shape2)
{
return(Geometryalgorithm2d.lineseg_intersect_lineseg(
new LineSegf(new Vector2f(shape1.mVertex1.x, shape1.mVertex1.y), new Vector2f(shape1.mVertex2.x, shape1.mVertex2.y)),
new LineSegf(new Vector2f(shape2.mVertex1.x, shape2.mVertex1.y), new Vector2f(shape2.mVertex2.x, shape2.mVertex2.y))));
}
