public Arrow(Vec2 pStartPoint, Vec2 pVector, float pScale, uint pColor = 0xffffffff, uint pLineWidth = 1)
{
startPoint = pStartPoint;
vector = pVector;
scaleFactor = pScale;
color = pColor;
lineWidth = pLineWidth;
}
protected override void RenderSelf(GXPEngine.Core.GLContext glContext)
{
Vec2 endPoint = startPoint + vector * scaleFactor;
LineSegment.RenderLine(startPoint, endPoint, color, lineWidth, true);
Vec2 smallVec = vector.Normalized * -10; // constant length 10, opposite direction of vector
Vec2 left = new Vec2(-smallVec.y, smallVec.x) + smallVec + endPoint;
Vec2 right = new Vec2(smallVec.y, -smallVec.x) + smallVec + endPoint;
LineSegment.RenderLine(endPoint, left, color, lineWidth, true);
LineSegment.RenderLine(endPoint, right, color, lineWidth, true);
}
public Vec2(GXPEngine.Core.Vector2 vec)
{
x = vec.x;
y = vec.y;
}
