Method Draw

src/visual_feature.cpp:67–100

}

void VisualDraggableFeature::Draw(OpenGLWrapper const& gl) const {
	if (!pos) return;

	switch (type) {
		case DRAG_BIG_SQUARE:
			gl.DrawRectangle(pos - 6, pos + 6);
			gl.DrawLine(pos - Vector2D(0, 12), pos + Vector2D(0, 12));
			gl.DrawLine(pos - Vector2D(12, 0), pos + Vector2D(12, 0));
			break;

		case DRAG_BIG_CIRCLE:
			gl.DrawCircle(pos, 6);
			gl.DrawLine(pos - Vector2D(0, 12), pos + Vector2D(0, 12));
			gl.DrawLine(pos - Vector2D(12, 0), pos + Vector2D(12, 0));
			break;

		case DRAG_BIG_TRIANGLE:
			gl.DrawTriangle(pos - Vector2D(9, 6), pos + Vector2D(9, -6), pos + Vector2D(0, 10));
			gl.DrawLine(pos, pos + Vector2D(0, -16));
			gl.DrawLine(pos, pos + Vector2D(-14, 8));
			gl.DrawLine(pos, pos + Vector2D(14, 8));
			break;

		case DRAG_SMALL_SQUARE:
			gl.DrawRectangle(pos - 3, pos + 3);
			break;

		case DRAG_SMALL_CIRCLE:
			gl.DrawCircle(pos, 3);
			break;
		default:
			break;
	}
}

void VisualDraggableFeature::StartDrag() {
	start = pos;