public Vec2 Reflect(Vec2 normal, float bounciness)
{
var vectorPartLength = Dot(normal);
var projectedVector = normal.Clone().Scale(vectorPartLength);
return(Subtract(projectedVector.Scale(1 + bounciness)));
}
private void CreateLines()
{
_lineVecs = new[]
{
new Vec2(-105, 20),
new Vec2(-70, 10),
new Vec2(-40, 5),
new Vec2(0, 5),
new Vec2(40, 5),
new Vec2(70, 10),
new Vec2(105, 20)
};
_lines = new LineSegment[_lineVecs.Length - 1];
for (var i = 0; i < _lines.Length; i++)
{
_lines[i] = new LineSegment(_position.Clone().Add(_lineVecs[i]), _position.Clone().Add(_lineVecs[i + 1]),
0x0000FF00);
_level.AddChild(_lines[i]);
}
}
protected override void RenderSelf(GLContext glContext)
{
if (_startPoint == null || _vector == null)
{
return;
}
var endPoint = _startPoint.Clone().Add(_vector.Clone().Scale(Scale));
LineSegment.RenderLine(_startPoint, endPoint, Color, LineWidth, true);
var smallVec = endPoint.Clone().Subtract(_startPoint).Normalize().Scale(-10);
var left = new Vec2(-smallVec.y, smallVec.x);
var right = new Vec2(smallVec.y, -smallVec.x);
left.Add(smallVec).Add(endPoint);
right.Add(smallVec).Add(endPoint);
LineSegment.RenderLine(endPoint, left, Color, LineWidth, true);
LineSegment.RenderLine(endPoint, right, Color, LineWidth, true);
}
public Vec2 Reflect(Vec2 normal, float bounciness)
{
var vectorPartLength = Dot(normal);
var projectedVector = normal.Clone().Scale(vectorPartLength);
return Subtract(projectedVector.Scale(1 + bounciness));
}
