/// <summary>
/// configures a transformed matrix to the vertex component data
/// using the sprite object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source sprite object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="transformMatrix">transformed matrix</param>
/// <param name="space">3D render space</param>
private static void SetBufferPosition(
ref VertexPositionColorTexture[] vertexData, Sprite3DObject obj,
int startIndex, Matrix transformMatrix, RenderingSpace space)
{
float cx = obj.Width * 0.5f;
float cy = obj.Height * 0.5f;
vertexData[startIndex + 0].Position = new Vector3(-cx, +cy, 0.0f);
vertexData[startIndex + 1].Position = new Vector3(+cx, +cy, 0.0f);
vertexData[startIndex + 2].Position = new Vector3(-cx, -cy, 0.0f);
vertexData[startIndex + 3].Position = new Vector3(+cx, -cy, 0.0f);
for (int i = 0; i < 4; i++)
{
int arrayIndex = startIndex + i;
Vector3.TransformNormal(ref vertexData[arrayIndex].Position,
ref transformMatrix,
out vertexData[arrayIndex].Position);
vertexData[arrayIndex].Position += obj.Center;
if (space == RenderingSpace.Screen)
{
vertexData[arrayIndex].Position =
HelperMath.Make2DCoord(vertexData[arrayIndex].Position);
}
}
}
/// <summary>
/// create point sprite objects using the texture.
/// </summary>
/// <param name="count">sprite object count</param>
/// <param name="fileName">texture file name</param>
/// <param name="space">3D render space</param>
/// <param name="alwaysUpdate"></param>
public void Create(int count, string fileName,
RenderingSpace space, bool alwaysUpdate)
{
// load a texture.
GameResourceTexture2D resource =
FrameworkCore.ResourceManager.LoadTexture(fileName);
Create(count, resource.Texture2D, space, alwaysUpdate);
}
/// <summary>
/// create 3D sprite objects using the texture.
/// </summary>
/// <param name="count">sprite object count</param>
/// <param name="texture">texture resource</param>
/// <param name="space">3D render space</param>
/// <param name="bAlwaysUpdate"></param>
public void Create(int count, Texture2D texture, RenderingSpace space,
bool bAlwaysUpdate)
{
this.count = count;
this.renderingSpace = space;
alwaysUpdate = bAlwaysUpdate;
for (int i = 0; i < count; i++)
{
spriteList.Add(new Sprite3DObject());
}
base.Create(count * vertexStride, count * indexStride, texture);
}
/// <summary>
/// configures texture coordinates to the vertex component data
/// using the sprite object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source sprite object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="space">3D render space</param>
private static void SetBufferTextureCoord(
ref VertexPositionColorTexture[] vertexData, PointSpriteObject obj,
int startIndex, RenderingSpace space)
{
float u1 = 0.0f, v1 = 0.0f, u2 = 0.0f, v2 = 0.0f;
// Differ Y axis of the 3D and 2D
bool flipY = (space == RenderingSpace.Screen ? !obj.FlipY : obj.FlipY);
if (obj.FlipX)
{
if (flipY)
{
u1 = obj.MaxUV.X;
v1 = obj.MaxUV.Y;
u2 = obj.MinUV.X;
v2 = obj.MinUV.Y;
}
else
{
u1 = obj.MaxUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MinUV.X;
v2 = obj.MaxUV.Y;
}
}
else
{
if (flipY)
{
u1 = obj.MinUV.X;
v1 = obj.MaxUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MinUV.Y;
}
else
{
u1 = obj.MinUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MaxUV.Y;
}
}
vertexData[startIndex + 0].TextureCoordinate = new Vector2(u1, v1);
vertexData[startIndex + 1].TextureCoordinate = new Vector2(u2, v1);
vertexData[startIndex + 2].TextureCoordinate = new Vector2(u2, v2);
vertexData[startIndex + 3].TextureCoordinate = new Vector2(u1, v2);
}
/// <summary>
/// create point sprite objects using the texture.
/// </summary>
/// <param name="count">sprite object count</param>
/// <param name="texture">rexture resource</param>
/// <param name="space">3D render space</param>
/// <param name="alwaysUpdate"></param>
public void Create(int count, Texture2D texture,
RenderingSpace space, bool alwaysUpdate)
{
this.count = count;
this.space = space;
this.alwaysUpdate = alwaysUpdate;
// create sprite objects.
for (int i = 0; i < count; i++)
{
pointSpriteList.Add(new PointSpriteObject());
}
base.Create(this.count * vertexStride, this.count * indexStride, texture);
}
/// <summary>
/// create billboard objects using the texture.
/// </summary>
/// <param name="count">billboard object count</param>
/// <param name="texture">texture resource</param>
/// <param name="renderingSpace">3D render space</param>
/// <param name="alwaysUpdate"></param>
public void Create(int count, Texture2D texture, RenderingSpace renderingSpace,
bool alwaysUpdate)
{
this.objectCount = count;
this.renderingSpace = renderingSpace;
this.alwaysUpdate = alwaysUpdate;
// create billboard objects.
for (int i = 0; i < count; i++)
{
BillboardObject obj = new BillboardObject();
obj.AddUpdateType(BillboardObject.UpdateTypes.Enable);
billboardList.Add(obj);
}
base.Create(count * vertexStride, count * indexStride, texture);
}
/// <summary>
/// configures texture coordinates to the vertex component data
/// using the billboard object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source billboard object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="renderingSpace">3D render space</param>
private static void SetBufferTextureCoord(
ref VertexPositionColorTexture[] vertexData, BillboardObject obj,
int startIndex, RenderingSpace renderingSpace)
{
float u1 = 0.0f, v1 = 0.0f, u2 = 0.0f, v2 = 0.0f;
u1 = obj.MinUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MaxUV.Y;
if (renderingSpace == RenderingSpace.Screen)
{
float swap = v1;
v1 = v2;
v2 = swap;
}
vertexData[startIndex + 0].TextureCoordinate = new Vector2(u1, v2);
vertexData[startIndex + 1].TextureCoordinate = new Vector2(u1, v1);
vertexData[startIndex + 2].TextureCoordinate = new Vector2(u2, v2);
vertexData[startIndex + 3].TextureCoordinate = new Vector2(u2, v1);
}
/// <summary>
/// configures texture coordinates to the vertex component data
/// using the billboard object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source billboard object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="renderingSpace">3D render space</param>
private static void SetBufferTextureCoord(
ref VertexPositionColorTexture[] vertexData, BillboardObject obj,
int startIndex, RenderingSpace renderingSpace)
{
float u1 = 0.0f, v1 = 0.0f, u2 = 0.0f, v2 = 0.0f;
u1 = obj.MinUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MaxUV.Y;
if (renderingSpace == RenderingSpace.Screen)
{
float swap = v1;
v1 = v2;
v2 = swap;
}
vertexData[startIndex + 0].TextureCoordinate = new Vector2(u1, v2);
vertexData[startIndex + 1].TextureCoordinate = new Vector2(u1, v1);
vertexData[startIndex + 2].TextureCoordinate = new Vector2(u2, v2);
vertexData[startIndex + 3].TextureCoordinate = new Vector2(u2, v1);
}
/// <summary>
/// create billboard objects using the texture.
/// </summary>
/// <param name="count">billboard object count</param>
/// <param name="texture">texture resource</param>
/// <param name="renderingSpace">3D render space</param>
/// <param name="alwaysUpdate"></param>
public void Create(int count, Texture2D texture, RenderingSpace renderingSpace,
bool alwaysUpdate)
{
this.objectCount = count;
this.renderingSpace = renderingSpace;
this.alwaysUpdate = alwaysUpdate;
// create billboard objects.
for (int i = 0; i < count; i++)
{
BillboardObject obj = new BillboardObject();
obj.AddUpdateType(BillboardObject.UpdateTypes.Enable);
billboardList.Add(obj);
}
base.Create(count * vertexStride, count * indexStride, texture);
}
/// <summary>
/// create billboard objects using the texture.
/// </summary>
/// <param name="count">billboard object count</param>
/// <param name="fileName">texture file name</param>
/// <param name="renderingSpace">3D render space</param>
/// <param name="alwaysUpdate"></param>
public void Create(int count, string fileName, RenderingSpace renderingSpace,
bool alwaysUpdate)
{
// load a texture.
GameResourceTexture2D resource =
FrameworkCore.ResourceManager.LoadTexture(fileName);
Create(count, resource.Texture2D, renderingSpace, alwaysUpdate);
}
/// <summary>
/// configures texture coordinates to the vertex component data
/// using the sprite object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source sprite object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="space">3D render space</param>
private static void SetBufferTextureCoord(
ref VertexPositionColorTexture[] vertexData, Sprite3DObject obj,
int startIndex, RenderingSpace space)
{
float u1 = 0.0f, v1 = 0.0f, u2 = 0.0f, v2 = 0.0f;
// Differ Y axis of the 3D and 2D
bool flipY = (space == RenderingSpace.Screen ? !obj.FlipY : obj.FlipY);
if (obj.FlipX)
{
if (flipY)
{
u1 = obj.MaxUV.X;
v1 = obj.MaxUV.Y;
u2 = obj.MinUV.X;
v2 = obj.MinUV.Y;
}
else
{
u1 = obj.MaxUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MinUV.X;
v2 = obj.MaxUV.Y;
}
}
else
{
if (flipY)
{
u1 = obj.MinUV.X;
v1 = obj.MaxUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MinUV.Y;
}
else
{
u1 = obj.MinUV.X;
v1 = obj.MinUV.Y;
u2 = obj.MaxUV.X;
v2 = obj.MaxUV.Y;
}
}
vertexData[startIndex + 0].TextureCoordinate = new Vector2(u1, v1);
vertexData[startIndex + 1].TextureCoordinate = new Vector2(u2, v1);
vertexData[startIndex + 2].TextureCoordinate = new Vector2(u1, v2);
vertexData[startIndex + 3].TextureCoordinate = new Vector2(u2, v2);
}
/// <summary>
/// configures a transformed matrix to the vertex component data
/// using the sprite object.
/// </summary>
/// <param name="vertexData">target vertex component data</param>
/// <param name="obj">source sprite object</param>
/// <param name="startIndex">start index of the vertex component data</param>
/// <param name="transformMatrix">transformed matrix</param>
/// <param name="space">3D render space</param>
private static void SetBufferPosition(
ref VertexPositionColorTexture[] vertexData, Sprite3DObject obj,
int startIndex, Matrix transformMatrix, RenderingSpace space)
{
float cx = obj.Width * 0.5f;
float cy = obj.Height * 0.5f;
vertexData[startIndex + 0].Position = new Vector3(-cx, +cy, 0.0f);
vertexData[startIndex + 1].Position = new Vector3(+cx, +cy, 0.0f);
vertexData[startIndex + 2].Position = new Vector3(-cx, -cy, 0.0f);
vertexData[startIndex + 3].Position = new Vector3(+cx, -cy, 0.0f);
for (int i = 0; i < 4; i++)
{
int arrayIndex = startIndex + i;
Vector3.TransformNormal(ref vertexData[arrayIndex].Position,
ref transformMatrix,
out vertexData[arrayIndex].Position);
vertexData[arrayIndex].Position += obj.Center;
if (space == RenderingSpace.Screen)
vertexData[arrayIndex].Position =
HelperMath.Make2DCoord(vertexData[arrayIndex].Position);
}
}
/// <summary>
/// create 3D sprite objects using the texture.
/// </summary>
/// <param name="count">sprite object count</param>
/// <param name="texture">texture resource</param>
/// <param name="space">3D render space</param>
/// <param name="bAlwaysUpdate"></param>
public void Create(int count, Texture2D texture, RenderingSpace space,
bool bAlwaysUpdate)
{
this.count = count;
this.renderingSpace = space;
alwaysUpdate = bAlwaysUpdate;
for (int i = 0; i < count; i++)
spriteList.Add(new Sprite3DObject());
base.Create(count * vertexStride, count * indexStride, texture);
}
