protected void AddPoly(Body body2Body, V2DShape polygon) { Shape shape; if (polygon.IsCircle) { CircleShape circDef = new CircleShape(); circDef._radius = polygon.Radius / (V2DScreen.WorldScale * State.Scale.X); Vector2 lp = new Vector2(polygon.CenterX / V2DScreen.WorldScale, polygon.CenterY / V2DScreen.WorldScale); circDef._p = lp; shape = circDef; } else { float[] pts = polygon.Data; PolygonShape polyDef = new PolygonShape(); shape = polyDef; int len = (int)(pts.Length / 2); Vector2[] v2s = new Vector2[len]; for (int i = 0; i < len; i++) { float px = pts[i * 2]; float py = pts[i * 2 + 1]; v2s[i] = new Vector2( px / V2DScreen.WorldScale * State.Scale.X, py / V2DScreen.WorldScale * State.Scale.Y); } polyDef.Set(v2s, len); } FixtureDef fd = new FixtureDef(); fd.shape = shape; if (instanceName.IndexOf("s_") == 0) { isStatic = true; fd.density = 0.0f; } else { fd.density = density; } fd.friction = friction; fd.restitution = restitution; if (groupIndex != 0) { fd.filter.groupIndex = groupIndex; } if (attributeProperties != null) { attributeProperties.ApplyAttribtues(fd); } body.CreateFixture(fd); }
protected void AddPoly(Body body2Body, V2DShape polygon) { Shape shape; if (polygon.IsCircle) { CircleShape circDef = new CircleShape(); circDef._radius = polygon.Radius / (V2DScreen.WorldScale * State.Scale.X); Vector2 lp = new Vector2(polygon.CenterX / V2DScreen.WorldScale, polygon.CenterY / V2DScreen.WorldScale); circDef._p = lp; shape = circDef; } else { float[] pts = polygon.Data; PolygonShape polyDef = new PolygonShape(); shape = polyDef; int len= (int)(pts.Length / 2); Vector2[] v2s = new Vector2[len]; for (int i = 0; i < len; i++) { float px = pts[i * 2]; float py = pts[i * 2 + 1]; v2s[i] = new Vector2( px / V2DScreen.WorldScale * State.Scale.X, py / V2DScreen.WorldScale * State.Scale.Y); } polyDef.Set(v2s, len); } FixtureDef fd = new FixtureDef(); fd.shape = shape; if (instanceName.IndexOf("s_") == 0) { isStatic = true; fd.density = 0.0f; } else { fd.density = density; } fd.friction = friction; fd.restitution = restitution; if (groupIndex != 0) { fd.filter.groupIndex = groupIndex; } if (attributeProperties != null) { attributeProperties.ApplyAttribtues(fd); } body.CreateFixture(fd); }
public override V2DShape GetV2DShape() { V2DShape result = new V2DShape(); float[] pts = new float[Points.Count * 2]; for (int i = 0; i < Points.Count; i++) { pts[i * 2] = Points[i].X; pts[i * 2 + 1] = Points[i].Y; } result.Data = pts; result.EnsureClockwise(); //List<Vector2> pts = new List<Vector2>(); //for (int i = 0; i < Points.Count; i++) //{ // pts.Add(new Vector2(Points[i].X, Points[i].Y)); //} //result.Data = pts.ToArray(); result.IsCircle = false; return result; }