//used to draw billboards that have a texture
public BillboardPrimitiveObject(string id, ActorType actorType, Transform3D transform,
Effect effect, IVertexData vertexData, Texture2D texture, Color color, float alpha, StatusType statusType, BillboardType billBoardType)
: base(id, actorType, transform, effect, vertexData, texture, color, alpha, statusType)
{
this.billboardParameters = new BillboardParameters();
this.BillboardType = billBoardType;
}
private void DrawObject(GameTime gameTime, BillboardPrimitiveObject billboardPrimitiveObject)
{
Effect effect = billboardPrimitiveObject.Effect as Effect;
billboardParameters = billboardPrimitiveObject.BillboardParameters;
//W, V, P, Apply, Draw
effect.CurrentTechnique = effect.Techniques[billboardParameters.Technique];
effect.Parameters["World"].SetValue(billboardPrimitiveObject.Transform3D.World);
effect.Parameters["View"].SetValue((this.Game as Main).CameraManager.ActiveCamera.View);
effect.Parameters["Projection"].SetValue((this.Game as Main).CameraManager.ActiveCamera.ProjectionParameters.Projection);
effect.Parameters["Up"].SetValue(billboardPrimitiveObject.Transform3D.Up);
effect.Parameters["DiffuseTexture"].SetValue(billboardPrimitiveObject.Texture);
effect.Parameters["Alpha"].SetValue(billboardPrimitiveObject.Alpha);
if (billboardParameters.BillboardType == BillboardType.Normal)
{
effect.Parameters["Right"].SetValue(billboardPrimitiveObject.Transform3D.Right);
}
if (billboardParameters.IsScrolling)
{
effect.Parameters["IsScrolling"].SetValue(billboardParameters.IsScrolling);
effect.Parameters["scrollRate"].SetValue(billboardParameters.scrollValue);
}
else
{
effect.Parameters["IsScrolling"].SetValue(false);
}
if (billboardParameters.IsAnimated)
{
effect.Parameters["IsAnimated"].SetValue(billboardParameters.IsAnimated);
effect.Parameters["InverseFrameCount"].SetValue(billboardParameters.inverseFrameCount);
effect.Parameters["CurrentFrame"].SetValue(billboardParameters.currentFrame);
}
else
{
effect.Parameters["IsAnimated"].SetValue(false);
}
effect.CurrentTechnique.Passes[0].Apply();
billboardPrimitiveObject.VertexData.Draw(gameTime, effect);
}
//used to draw billboards that have a texture
public BillboardPrimitiveObject(string id, ObjectType objectType,
Transform3D transform, IVertexData vertexData, Effect effect, Color color, float alpha, Texture2D texture, BillboardType billBoardType)
: base(id, objectType, transform, vertexData, effect, color, alpha, texture)
{
this.billBoardType = billBoardType;
this.billboardParameters = new BillboardParameters();
if (billBoardType == BillboardType.Normal)
{
this.billboardParameters.Technique = "Normal";
this.billboardParameters.BillboardType = BillboardType.Normal;
}
else if (billBoardType == BillboardType.Cylindrical)
{
this.billboardParameters.Technique = "Cylindrical";
this.billboardParameters.BillboardType = BillboardType.Cylindrical;
this.billboardParameters.Up = this.Transform3D.Up;
}
else
{
this.billboardParameters.Technique = "Spherical";
this.billboardParameters.BillboardType = BillboardType.Spherical;
}
}
