protected override void Draw(GameTime gameTime)
{
Common.UpdateFPS(gameTime);
GraphicsDevice.Clear(Color.Black);
u.width = 100;
u.height = 100;
u.postion = (Common.Resolution - u.Size) / 2;
u.Update();
//Window.Title = u.mouseStatus.ToString() + mousePos[0].ToString();
/*
* var p = Common.MouseState.position;
* vertices = new Vertex[]
* {
* new Vertex(new Vector2(0 + p.X , 0f + p.Y), Color.White, new Vector2(0.5f, 0f)),
* new Vertex(new Vector2(5f + p.X, 200f + p.Y), Color.White, new Vector2(0.5f, 1f)),
* new Vertex(new Vector2(-5f + p.X, 200f + p.Y), Color.White, new Vector2(0.5f, 1f))
* };
* var z = Common.MouseState.position.Y / Common.Resolution.Y * 1.15f;
* vertexBatch.Begin(swordFx.Texture, PrimitiveType.TriangleList);
* //准备绘制，用到一个材质，顶点的类型是TriangleList
* var v = new VertexTriangle(vertices).Rotate(timer, TriangleVertexType.A).RotationList(TriangleVertexType.A, 3.1415f).
* TransformPosition(Matrix.CreateScale(1f, z, 1f), Common.MouseState.position);
* //声明新的三角形，将三角形绕点A（第一个点）旋转timer rad，从这个三角形生成RotationList，RotationList包含有序的经过旋转的三角形，索引增加三角形旋转的度数也增加，这里最多转3.1415 rad（也就是半圈）
* //对Vertex进行变换，每个顶点x不变，y乘以z，这里z是小于1的
* v = v.Transform(delegate (int index, Vertex vertex)
* {
* return vertex.ChangeColor(vertex.Color * (index * 1f / v.vertex.Length));
* });
* //对Vertex进行变换，索引数值小的透明度低
* vertexBatch.Draw(v);
* //进行绘制
* vertexBatch.End();
* //真正地将它绘制到屏幕上，释放资源
* vertexBatch.Begin(PrimitiveType.LineStrip);
* //u.DrawBorder(vertexBatch);
* vertexBatch.End();
*/
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Additive);
//Draw Texts
//dtt.DrawString(spriteBatch, "开始游戏\n啥也开始不了", (Common.Resolution - dtt.MeasureString("开始游戏\n啥也开始不了", 1)) / 2, Color.White, default, 1);
//Draw Bullets
EntityManager.Draw(bullets, spriteBatch);
if (mousePos[0] != mousePos[1])
{
float t = (mousePos[0] - mousePos[1]).Angle() + 0.7853f;
Color c = Color.White.LinearTo(MeteorBullet.drawColor, 1, 2);
MeteorBullet.flarefx.Draw(spriteBatch, mousePos[0], c, CenterType.MiddleCenter, 2f, t);
MeteorBullet.flarefxAlt.Draw(spriteBatch, mousePos[0], c * 0.5f, CenterType.MiddleCenter, 5f, t);
MeteorBullet.flarefxAlt.Draw(spriteBatch, (mousePos[0] + mousePos[1]) / 2, c * 0.5f, CenterType.MiddleCenter, 5f, t);
MeteorBullet.flarefxAlt.Draw(spriteBatch, mousePos[1], c * 0.5f, CenterType.MiddleCenter, 5f, t);
MeteorBullet.flarefxAlt.Draw(spriteBatch, mousePos[2], c * 0.5f, CenterType.MiddleCenter, 5f, t);
MeteorBullet.flarefxAlt.Draw(spriteBatch, mousePos[4], c * 0.5f, CenterType.MiddleCenter, 5f, t);
}
else
{
MeteorBullet.flarefx.Draw(spriteBatch, mousePos[0], Color.White, CenterType.MiddleCenter, 1.5f, 0.7853f);
}
spriteBatch.End();
//Draw Mouse
var v = Helper.CatmullRom(mousePos, 3);
if (Keyboard.GetState().IsKeyDown(Keys.Z))
{
throw new Exception(v.ToStringAlt());
}
vertexBatch.Begin(tex, BlendState.Additive, PrimitiveType.TriangleStrip);
vertexBatch.Draw(VertexTriangle.Strip(v, 20, delegate(int index, Vertex vertex)
{
return(vertex.ChangeCoord(index * 0.25f / v.Length + (float)(Math.Sin(timer * 2) + 1) / 4, index % 2 == 0 ? 0f : 1f).ChangeColor(MeteorBullet.drawColor.LinearTo(MeteorBullet.drawColor2, index, v.Length * 0.8f) * (-index * 0.5f / v.Length + 1) * (-index * 0.5f / v.Length + 1) * 1.2f));
}
));
vertexBatch.End();
vertexBatch.Begin(tex2, BlendState.Additive, PrimitiveType.TriangleStrip);
vertexBatch.Draw(VertexTriangle.Strip(v, 30, delegate(int index, Vertex vertex)
{
return(vertex.ChangeCoord((float)(Math.Sin(timer) + Math.Sin(index * 8f / v.Length) + 2) / 4, index % 2 == 0 ? 0.3f : 0.7f).ChangeColor(MeteorBullet.drawColor.LinearTo(MeteorBullet.drawColor2, index, v.Length * 0.8f) * (-index * 0.5f / v.Length + 1) * (-index * 0.5f / v.Length + 1) * 1.4f));
}
));
vertexBatch.End();
base.Draw(gameTime);
}
