private void CreatePropAtMousePosition(int MouseX, int MouseY)
{
if (lstItemChoices.SelectedNode != null)
{
TreeNode SelectedNode = lstItemChoices.SelectedNode;
BillboardSystem ActiveParticleSystem = lstItemChoices.SelectedNode.Tag as BillboardSystem;
if (ActiveParticleSystem == null && lstItemChoices.SelectedNode.Parent != null)
{
SelectedNode = lstItemChoices.SelectedNode.Parent;
ActiveParticleSystem = lstItemChoices.SelectedNode.Parent.Tag as BillboardSystem;
}
if (ActiveParticleSystem != null)
{
Vector3 NearScreenPoint = new Vector3(MouseX, MouseY, 0);
Vector3 FarScreenPoint = new Vector3(MouseX, MouseY, 1);
Vector3 NearWorldPoint = AnimationBackgroundViewer.GraphicsDevice.Viewport.Unproject(NearScreenPoint,
AnimationBackgroundViewer.ActiveAnimationBackground.Projection,
AnimationBackgroundViewer.ActiveAnimationBackground.View, Matrix.Identity);
Vector3 FarWorldPoint = AnimationBackgroundViewer.GraphicsDevice.Viewport.Unproject(FarScreenPoint,
AnimationBackgroundViewer.ActiveAnimationBackground.Projection,
AnimationBackgroundViewer.ActiveAnimationBackground.View, Matrix.Identity);
Vector3 Direction = FarWorldPoint - NearWorldPoint;
float zFactor = -NearWorldPoint.Y / Direction.Y;
Vector3 ZeroWorldPoint = NearWorldPoint + Direction * zFactor;
ActiveParticleSystem.AddParticle(ZeroWorldPoint);
SelectedNode.Nodes.Add("Prop " + (SelectedNode.Nodes.Count + 1));
}
}
}
public override void Load(ContentManager Content, GraphicsDevice g)
{
VehiculeDrawablePart = new BillboardSystem("Units/Racing/Sprites/Back", 2, 1, BlendState.NonPremultiplied, true, Content, g);
VehiculeDrawablePart.Parameters["Size"].SetValue(new Vector2(188 * 0.1f, 112 * 0.1f));
VehiculeDrawablePart.AddParticle(Vector3.Zero);
DicVehiculeSpritePerAngle.Add(0, Content.Load <Texture2D>("Units/Racing/Sprites/Back"));
DicVehiculeSpritePerAngle.Add(5, Content.Load <Texture2D>("Units/Racing/Sprites/Back5"));
DicVehiculeSpritePerAngle.Add(10, Content.Load <Texture2D>("Units/Racing/Sprites/Back10"));
DicVehiculeSpritePerAngle.Add(25, Content.Load <Texture2D>("Units/Racing/Sprites/Back25"));
DicVehiculeSpritePerAngle.Add(35, Content.Load <Texture2D>("Units/Racing/Sprites/Back35"));
DicVehiculeSpritePerAngle.Add(45, Content.Load <Texture2D>("Units/Racing/Sprites/Back45"));
DicVehiculeSpritePerAngle.Add(65, Content.Load <Texture2D>("Units/Racing/Sprites/Back45"));
DicVehiculeSpritePerAngle.Add(90, Content.Load <Texture2D>("Units/Racing/Sprites/Back45"));
DicVehiculeSpritePerAngle.Add(-5, FlipTexture2D(DicVehiculeSpritePerAngle[5]));
DicVehiculeSpritePerAngle.Add(-10, FlipTexture2D(DicVehiculeSpritePerAngle[10]));
DicVehiculeSpritePerAngle.Add(-25, FlipTexture2D(DicVehiculeSpritePerAngle[25]));
DicVehiculeSpritePerAngle.Add(-35, FlipTexture2D(DicVehiculeSpritePerAngle[35]));
DicVehiculeSpritePerAngle.Add(-45, FlipTexture2D(DicVehiculeSpritePerAngle[45]));
DicVehiculeSpritePerAngle.Add(-65, FlipTexture2D(DicVehiculeSpritePerAngle[65]));
DicVehiculeSpritePerAngle.Add(-90, FlipTexture2D(DicVehiculeSpritePerAngle[90]));
}
