public void Draw(float length)
{
if (this.pointOfLine.isNullPoint())//is it possible???
{
return;
}
if (OnDrawStart != null)
{
if (!OnDrawStart.Invoke(this))
{
return;
}
}
if (OnDrawing != null)
{
OnDrawing.Invoke(this);
}
float ratio = 2 * length / this.DirectVector.Length;
Gl.glBegin(Gl.GL_LINES);
Gl.glVertex2f(this.pointOfLine.X - ratio * this.DirectVector.deltaX, this.pointOfLine.Y - ratio * this.DirectVector.deltaY);
Gl.glVertex2f(this.pointOfLine.X + ratio * this.DirectVector.deltaX, this.pointOfLine.Y + ratio * this.DirectVector.deltaY);
Gl.glEnd();
if (OnDrawed != null)
{
OnDrawed.Invoke(this);
}
}
private bool ActivateDrawStart()
{
if (OnDrawStart == null)
{
return(true);
}
return(OnDrawStart.Invoke(this));
}
public override void Draw(Matrix view, Matrix projection, GameTime gameTime)
{
graphicsDevice.SetRenderTargets(depth, diffuse, normalMap, lightMap);
clearEffect.Parameters["Ambient"].SetValue(Ambient);
spritebatch.Begin(effect: clearEffect);
spritebatch.Draw(clearTexture, new Rectangle(0, 0, graphicsDevice.Viewport.Width, graphicsDevice.Viewport.Height), Color.White);
spritebatch.End();
OnDrawStart?.Invoke();
lastMaterial = null;
currentEffect = null;
foreach (var entity in scene.Entities)
{
DrawEntityRecursive(view, projection, entity, gameTime);
}
base.Draw(view, projection, gameTime);
}
void OnTouchStart(Vector2 touchPosition)
{
Line.RemoveAll();
IsDrawing = true;
OnDrawStart.SafeInvoke();
}
