private void DrawBullets()
{
if (bulletList.Count > 0)
{
VertexPointSprite[] spriteArray = new VertexPointSprite[bulletList.Count];
for (int i = 0; i < bulletList.Count; i++)
{
spriteArray[i] = new VertexPointSprite(bulletList[i].position, 50);
}
effect.CurrentTechnique = effect.Techniques["PointSprites"];
Matrix worldMatrix = Matrix.Identity;
effect.Parameters["xWorld"].SetValue(worldMatrix);
effect.Parameters["xView"].SetValue(viewMatrix);
effect.Parameters["xProjection"].SetValue(projectionMatrix);
effect.Parameters["xTexture"].SetValue(bulletTexture);
device.RenderState.PointSpriteEnable = true;
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.One;
device.RenderState.DestinationBlend = Blend.One;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
device.VertexDeclaration = pointSpriteVertexDeclaration;
device.DrawUserPrimitives(PrimitiveType.PointList, spriteArray, 0, spriteArray.Length);
pass.End();
}
effect.End();
device.RenderState.PointSpriteEnable = false;
}
device.RenderState.AlphaBlendEnable = false;
}
private void DrawSun()
{
Vector3 camPos = sim.UI.Camera.Position;
float sunHeight = sim.World.Lighting.SunVector.Y;
sunPosition = new Vector3(camPos.X, sunHeight * 1500, camPos.Z + sim.World.Lighting.SunVector.Z * 1500);
GraphicsDevice g = sim.GraphicsDevice;
VertexPointSprite[] spriteArray = new VertexPointSprite[1];
spriteArray[0] = new VertexPointSprite(sunPosition, 40);
sunEffect.CurrentTechnique = sunEffect.Techniques["Sun"];
sunEffect.Parameters["matWorld"].SetValue(Matrix.Identity);
sunEffect.Parameters["tTexture"].SetValue(sunTexture);
g.RenderState.PointSpriteEnable = true;
g.RenderState.AlphaBlendEnable = true;
g.RenderState.SourceBlend = Blend.SourceAlpha;
g.RenderState.DestinationBlend = Blend.DestinationAlpha;
sunEffect.Begin();
foreach (EffectPass pass in sunEffect.CurrentTechnique.Passes)
{
pass.Begin();
g.VertexDeclaration = sunVertexDeclaration;
g.DrawUserPrimitives(PrimitiveType.PointList, spriteArray, 0, spriteArray.Length);
pass.End();
}
sunEffect.End();
g.RenderState.PointSpriteEnable = false;
g.RenderState.AlphaBlendEnable = false;
g.RenderState.SourceBlend = Blend.SourceAlpha;
g.RenderState.DestinationBlend = Blend.InverseSourceAlpha;
}
public void Draw(GameTime gameTime, Camera camera)
{
float elapsedTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
effect.Parameters["view"].SetValue(camera.View);
effect.Parameters["projection"].SetValue(camera.Projection);
effect.Parameters["viewportHeight"].SetValue(device.Viewport.Height);
effect.Parameters["modelTexture"].SetValue(texture);
spriteArray_Count = -1;
for (int i = 0; i < particle.Length; i++)
{
if (particle[i].isActive)
{
spriteArray[++spriteArray_Count] = new VertexPointSprite(particle[i].position,
particle[i].Scale * PointSize,
particle[i].ParColor);
}
}
if (spriteArray_Count <= 0)
{
return;
}
// 頂點格式宣告
device.VertexDeclaration = pointSpriteVertexDeclaration;
SetParticleRenderStates(device.RenderState);
/*
* device.RenderState.AlphaBlendEnable = true;
* device.RenderState.SourceBlend = Blend.SourceAlpha;
* device.RenderState.DestinationBlend = Blend.InverseSourceAlpha;
* device.RenderState.AlphaTestEnable = true;
* device.RenderState.AlphaFunction = CompareFunction.Greater;
* device.RenderState.PointSize = 1000.0f;
* device.RenderState.PointSizeMax = 10000.0f;
* device.RenderState.PointSizeMin = 100.0f;
* device.RenderState.DepthBufferEnable = true ;
*/
effect.CurrentTechnique = effect.Techniques["PointSprites"];
effect.Begin();
foreach (EffectPass CurrentPass in effect.CurrentTechnique.Passes)
{
CurrentPass.Begin();
device.DrawUserPrimitives(PrimitiveType.PointList,
spriteArray,
0,
spriteArray_Count);
CurrentPass.End();
}
effect.End();
device.RenderState.DepthBufferEnable = true;
device.RenderState.AlphaBlendEnable = false;
device.RenderState.AlphaTestEnable = false;
device.RenderState.PointSpriteEnable = false;
device.RenderState.DepthBufferWriteEnable = true;
}
private void DrawBullets()
{
if (bulletList.Count > 0)
{
VertexPointSprite[] spriteArray = new VertexPointSprite[bulletList.Count];
for (int i = 0; i < bulletList.Count; i++)
spriteArray[i] = new VertexPointSprite(bulletList[i].position, 50);
effect.CurrentTechnique = effect.Techniques["PointSprites"];
Matrix worldMatrix = Matrix.Identity;
effect.Parameters["xWorld"].SetValue(worldMatrix);
effect.Parameters["xView"].SetValue(viewMatrix);
effect.Parameters["xProjection"].SetValue(projectionMatrix);
effect.Parameters["xTexture"].SetValue(bulletTexture);
device.RenderState.AlphaBlendEnable = true;
device.RenderState.SourceBlend = Blend.One;
device.RenderState.DestinationBlend = Blend.One;
device.RenderState.PointSpriteEnable = true;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
device.VertexDeclaration = pointSpriteVertexDeclaration;
device.DrawUserPrimitives(PrimitiveType.PointList, spriteArray, 0, spriteArray.Length);
pass.End();
}
effect.End();
device.RenderState.PointSpriteEnable = false;
device.RenderState.AlphaBlendEnable = false;
}
}
