protected override void RenderSelf(GXPEngine.Core.GLContext glContext)
{
// NB: After you insert your own extended Vec2 struct here,
// it's a lot easier and clearer to implement the next lines using
// methods such as Add, Scale, Length, Normalize, Rotate, etc.!
Vec2 endPoint = new Vec2(
startPoint.x + vector.x * drawScale,
startPoint.y + vector.y * drawScale
);
LineSegment.RenderLine(startPoint, endPoint, color, lineWidth, true);
float length = Mathf.Sqrt(vector.x * vector.x + vector.y * vector.y); // length of vector
Vec2 smallVec = new Vec2(-10 * vector.x / length, -10 * vector.y / length); // constant length 10, opposite direction of vector
Vec2 left = new Vec2(-smallVec.y, smallVec.x); // rotate 90 degrees
Vec2 right = new Vec2(smallVec.y, -smallVec.x); // rotate -90 degrees
left.Add(smallVec);
left.Add(endPoint);
right.Add(smallVec);
right.Add(endPoint);
LineSegment.RenderLine(endPoint, left, color, lineWidth, true);
LineSegment.RenderLine(endPoint, right, color, lineWidth, true);
}
protected override void RenderSelf(GXPEngine.Core.GLContext glContext)
{
Vec2 endPoint = startPoint + vector * scaleFactor;
Gizmos.RenderLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y, 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;
Gizmos.RenderLine(endPoint.x, endPoint.y, left.x, left.y, color, lineWidth, true);
Gizmos.RenderLine(endPoint.x, endPoint.y, right.x, right.y, color, lineWidth, true);
}
protected override void RenderSelf(GXPEngine.Core.GLContext glContext)
{
if (_invalidate)
{
graphics.Clear(backgroundColor);
if (_borderSize > 0 && _borderColor != Color.Empty)
{
graphics.DrawRectangle(_borderPen, 0, 0, width, height);
}
graphics.DrawString(_text, _font, _textBrush, 0, 0);
}
base.RenderSelf(glContext);
}
protected override void RenderSelf(GXPEngine.Core.GLContext glContext)
{
if (_startPoint == null || _vector == null)
{
return;
}
Vec2 endPoint = _startPoint.Clone().Add(_vector.Clone().Scale(scale));
LineSegment.RenderLine(_startPoint, endPoint, color, lineWidth, true);
Vec2 smallVec = endPoint.Clone().Sub(_startPoint).Normalize().Scale(-10);
Vec2 left = new Vec2(-smallVec.y, smallVec.x);
Vec2 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);
}
