/// <summary>
/// Constructor
/// </summary>
/// <param name="instanceCount">creating instance count</param>
/// <param name="textureFileName">texture file name</param>
public TracerBullets(int id, int instanceCount, string textureFileName,
GameSceneNode sceneParent)
{
this.id = id;
textureResource = FrameworkCore.ResourceManager.LoadTexture(textureFileName);
bullets = new BulletObject[instanceCount];
// Create instance bullets
for (int i = 0; i < bullets.Length; i++)
{
bullets[i] = new BulletObject(i);
}
tracerBulletBillboard = new GameBillboard();
tracerBulletBillboard.Create(instanceCount, textureResource.Texture2D,
RenderingSpace.World, false);
tracerBulletBillboard.SourceBlend = Blend.SourceAlpha;
tracerBulletBillboard.DestinationBlend = Blend.One;
tracerBulletBillboard.BlendFunction = BlendFunction.Add;
tracerBulletBillboard.AlphaBlendEnable = true;
tracerBulletBillboard.DepthBufferEnable = true;
tracerBulletBillboard.DepthBufferWriteEnable = false;
tracerBulletBillboard.DepthBufferFunction = CompareFunction.Less;
tracerBulletBillboard.AlphaFunction = CompareFunction.Greater;
tracerBulletBillboard.CullMode = CullMode.None;
sceneParent.AddChild(tracerBulletBillboard);
}
/// <summary>
/// by using the particle information, a particle object is created
/// and initialized.
/// </summary>
public void Create()
{
// Initialize Particle Information
Info.Initialize();
Name = sequenceInfo.Name;
sceneRoot.RemoveAllChild(false);
if (sequenceInfo.TextureFileName.Length > 0)
{
string resourceFullPath =
Path.Combine(resourcePath, sequenceInfo.TextureFileName);
GameResourceTexture2D resource =
FrameworkCore.ResourceManager.LoadTexture(resourceFullPath);
// Set to texture
Texture = resource.Texture2D;
// Set to texture in TextureSequence
if (TextureSequence != null)
TextureSequence.SetTexture(Texture);
}
enableRotate = false;
switch (Info.ParticleType)
{
// PointSprite
case ParticleInfo.ParticleObjectType.PointSprite:
{
scenePointSprite = new GamePointSprite();
scenePointSprite.Create(Info.MaxObjectCount, Texture,
RenderingSpace.World, false);
scenePointSprite.AlphaBlendEnable =
sequenceInfo.AlphaBlendEnable;
scenePointSprite.DepthBufferEnable =
sequenceInfo.DepthBufferEnable;
scenePointSprite.SourceBlend =
sequenceInfo.SourceBlend;
scenePointSprite.DestinationBlend =
sequenceInfo.DestinationBlend;
scenePointSprite.BlendFunction =
sequenceInfo.BlendFunction;
scenePointSprite.DepthBufferEnable = true;
scenePointSprite.DepthBufferWriteEnable = false;
scenePointSprite.DepthBufferFunction = CompareFunction.Less;
scenePointSprite.AlphaFunction = CompareFunction.Greater;
scenePointSprite.CullMode = CullMode.None;
sceneRoot.AddChild(scenePointSprite);
}
break;
// Sprite3D
case ParticleInfo.ParticleObjectType.Sprite:
{
sceneSprite3D = new GameSprite3D();
sceneSprite3D.Create(Info.MaxObjectCount, Texture,
RenderingSpace.World, false);
sceneSprite3D.AlphaBlendEnable =
sequenceInfo.AlphaBlendEnable;
sceneSprite3D.DepthBufferEnable =
sequenceInfo.DepthBufferEnable;
sceneSprite3D.SourceBlend =
sequenceInfo.SourceBlend;
sceneSprite3D.DestinationBlend =
sequenceInfo.DestinationBlend;
sceneSprite3D.BlendFunction =
sequenceInfo.BlendFunction;
sceneSprite3D.DepthBufferEnable = true;
sceneSprite3D.DepthBufferWriteEnable = false;
sceneSprite3D.DepthBufferFunction = CompareFunction.Less;
sceneSprite3D.AlphaFunction = CompareFunction.Greater;
sceneSprite3D.CullMode = CullMode.None;
sceneRoot.AddChild(sceneSprite3D);
enableRotate = true; // Possible to rotation
}
break;
// Billboard
case ParticleInfo.ParticleObjectType.AnchorBillboard:
case ParticleInfo.ParticleObjectType.Billboard:
{
sceneBillboard = new GameBillboard();
sceneBillboard.Create(Info.MaxObjectCount, Texture,
RenderingSpace.World, false);
sceneBillboard.AlphaBlendEnable =
sequenceInfo.AlphaBlendEnable;
sceneBillboard.DepthBufferEnable =
sequenceInfo.DepthBufferEnable;
sceneBillboard.SourceBlend =
sequenceInfo.SourceBlend;
sceneBillboard.DestinationBlend =
sequenceInfo.DestinationBlend;
sceneBillboard.BlendFunction =
sequenceInfo.BlendFunction;
sceneBillboard.DepthBufferEnable = true;
sceneBillboard.DepthBufferWriteEnable = false;
sceneBillboard.DepthBufferFunction = CompareFunction.Less;
sceneBillboard.AlphaFunction = CompareFunction.Greater;
sceneBillboard.CullMode = CullMode.None;
sceneRoot.AddChild(sceneBillboard);
}
break;
// Mesh
case ParticleInfo.ParticleObjectType.Scene:
{
if( Info.MeshData != null)
{
int vertextCount = Info.MeshData.Position.Count;
int indexCount = 0;
if (Info.MeshData.Index != null)
indexCount = Info.MeshData.Index.Count;
sceneMesh = new GameMesh();
sceneMesh.Create(vertextCount, indexCount, Texture);
sceneMesh.AlphaBlendEnable =
sequenceInfo.AlphaBlendEnable;
sceneMesh.DepthBufferEnable =
sequenceInfo.DepthBufferEnable;
sceneMesh.SourceBlend =
sequenceInfo.SourceBlend;
sceneMesh.DestinationBlend =
sequenceInfo.DestinationBlend;
sceneMesh.BlendFunction =
sequenceInfo.BlendFunction;
sceneMesh.DepthBufferEnable = true;
sceneMesh.DepthBufferWriteEnable = false;
sceneMesh.DepthBufferFunction = CompareFunction.Less;
sceneMesh.AlphaFunction = CompareFunction.Greater;
sceneMesh.CullMode = CullMode.None;
// Has position data
if (Info.MeshData.HasPosition )
{
sceneMesh.SetPositionData(
Info.MeshData.Position.ToArray());
}
// Has color data
if (Info.MeshData.HasColor )
{
sceneMesh.SetColorData(
Info.MeshData.Color.ToArray());
}
// Has texture coordinate data
if (Info.MeshData.HasTextureCoord )
{
sceneMesh.SetTextureCoordData(
Info.MeshData.TextureCoord.ToArray());
}
// Has index data
if (Info.MeshData.HasIndex )
{
sceneMesh.SetIndexData(Info.MeshData.Index.ToArray());
}
// Use VB and IB
if (sceneMesh.userPrimitive == false)
{
sceneMesh.BindVertexBuffer();
sceneMesh.BindIndexBuffer();
}
sceneRoot.AddChild(sceneMesh);
}
enableRotate = true; // can rotate
}
break;
}
SetSceneEnable(false);
// Particle Object
particleObjectList.Clear();
for (int i = 0; i < Info.MaxObjectCount; i++)
{
ParticleObject obj = new ParticleObject();
particleObjectList.Add(obj);
}
// Emit Right & Up Vector
{
Matrix mtx = Helper3D.MakeMatrixWithAt(Info.EmitDirection,
Info.UpVector);
emitRight = mtx.Right;
emitUp = mtx.Up;
}
// Up Right & At Vector
{
Matrix mtx = Helper3D.MakeMatrixWithUp(Info.UpVector,
Matrix.Identity.Forward);
upRight = mtx.Right;
upAt = mtx.Forward;
}
posArgCount = 0;
for (int i = ParticleInfo.FuncCount - 1; i >= 0; i--)
{
if (Info.PositionFunc[i] != ParticleInfo.FuncType.None)
{
posArgCount = i + 1;
break;
}
}
scaleArgCount = 0;
for (int i = ParticleInfo.FuncCount - 1; i >= 0; i--)
{
if (Info.ScaleFunc[i] != ParticleInfo.FuncType.None)
{
scaleArgCount = i + 1;
break;
}
}
if( Info.IsPositionStyle( ParticleInfo.ParamStyles.Interpolate))
positionInterpolate = KeyFrameTable.Interpolation.Lerp;
else
positionInterpolate = KeyFrameTable.Interpolation.None;
if (Info.IsScaleStyle(ParticleInfo.ParamStyles.Interpolate))
scaleInterpolate = KeyFrameTable.Interpolation.Lerp;
else
scaleInterpolate = KeyFrameTable.Interpolation.None;
if (Info.IsColorStyle(ParticleInfo.ParamStyles.Interpolate))
colorInterpolate = KeyFrameTable.Interpolation.Lerp;
else
colorInterpolate = KeyFrameTable.Interpolation.None;
rObjectLifeTime = 1.0f / Info.ObjectLifeTime;
isStarting = false;
isStopping = false;
}
