protected override void Draw(GameTime gameTime)
{
if (fLines != null)
{
if (fAngleChanged)
{
fAngleChanged = false;
fWorldMatrix = Matrix.CreateRotationZ(fAngle) *
Matrix.CreateTranslation(
GraphicsDevice.Viewport.Width / 2f,
GraphicsDevice.Viewport.Height / 2f, 0);
}
fBasicEffect.World = fWorldMatrix;
fLines.UseVertexBuffer = fUseVertexBuffer;
foreach (EffectPass pass in fBasicEffect.CurrentTechnique.Passes)
{
pass.Apply();
fLines.Render();
}
}
base.Draw(gameTime);
}
/// <summary>
/// Draw the space
/// </summary>
private void RenderGrid()
{
fLines = new DynamicPrimitiveLine(GraphicsDevice);
float worldFactor = WORLD_SIZE / (WORLD_BLOCKS - 1);
VertexPositionColor p1;
VertexPositionColor p2;
for (int x = 0; x < WORLD_BLOCKS; x++)
{
float sx1 = (x + 0.5f) * worldFactor - HALF_WORLD_SIZE;
for (int y = 0; y < WORLD_BLOCKS; y++)
{
float sy1 = (y + 0.5f) * worldFactor - HALF_WORLD_SIZE;
for (int z = 0; z < WORLD_BLOCKS; z++)
{
float sz1 = (z + 0.5f) * worldFactor - HALF_WORLD_SIZE;
float dx = 1024 * (fSpace[x, y, z].ForcePositiveX - fSpace[x, y, z].ForceNegativeX);
float dy = 1024 * (fSpace[x, y, z].ForcePositiveY - fSpace[x, y, z].ForceNegativeY);
float dz = 1024 * (fSpace[x, y, z].ForcePositiveZ - fSpace[x, y, z].ForceNegativeZ);
Vector3 d = new Vector3(dx, dy, dz);
float power = d.Length() / 1000000;
if (power > 0)
{
d.Normalize();
if (power > 200)
{
power = 200;
}
dx = d.X * power;
dy = d.Y * power;
dz = d.Z * power;
float sx2 = sx1 + dx;
float sy2 = sy1 + dy;
float sz2 = sz1 + dz;
int r = (int)(255f * Math.Abs(d.X));
int g = (int)(255f * Math.Abs(d.Y));
int b = (int)(255f * Math.Abs(d.Z));
Color c1 = new Color(r, g, b);
Color c2 = Color.Transparent;
p1 = new VertexPositionColor(new Vector3(sx1, sy1, sz1), c1);
p2 = new VertexPositionColor(new Vector3(sx2, sy2, sz2), c2);
fLines.AddLine(p1, p2);
}
}
}
}
fBasicEffect.World = fCamera.Camera.WorldMatrix;
fBasicEffect.View = fCamera.Camera.ViewMatrix;
fBasicEffect.Projection = fCamera.Camera.ProjectionMatrix;
foreach (EffectPass pass in fBasicEffect.CurrentTechnique.Passes)
{
pass.Apply();
fLines.Render();
}
}
/// <summary>
/// Allows the game component to draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.Black);
fBasicEffect.World = fWorldMatrix;
foreach (EffectPass pass in fBasicEffect.CurrentTechnique.Passes)
{
pass.Apply();
fLines.Render();
}
base.Draw(gameTime);
}
/// <summary>
/// Render to a render target
/// </summary>
/// <param name="gameTime"></param>
private void CreateRenderTarget(GameTime gameTime)
{
RenderTargetBinding[] previousRenderTargets = GraphicsDevice.GetRenderTargets();
GraphicsDevice.SetRenderTarget(fTarget);
GraphicsDevice.Clear(Color.Transparent);
GraphicsDevice.DepthStencilState = DepthStencilState.None;
GraphicsDevice.BlendState = BlendState.Opaque;
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
float aspectRatio = ((float)GraphicsDevice.Viewport.Width) / ((float)GraphicsDevice.Viewport.Height);
Matrix modelWorld = Matrix.CreateRotationY(fPlaneAngle) *
Matrix.CreateRotationX(MathHelper.ToRadians(90));
Matrix modelProjection = Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(40.0f), aspectRatio, 1.0f, 30000.0f);
Matrix modelView = Matrix.CreateLookAt(new Vector3(0, 0, 4000), Vector3.Zero, Vector3.Up);
foreach (ModelMesh mesh in fModelGrid.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
effect.View = modelView;
effect.Projection = fCamera.Camera.ProjectionMatrix;
effect.World = modelWorld;
}
mesh.Draw();
}
GraphicsDevice.DepthStencilState = DepthStencilState.Default;
GraphicsDevice.BlendState = BlendState.Opaque;
GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
Matrix view = Matrix.CreateLookAt(
new Vector3(0.0f, 0.0f, 1.0f),
Vector3.Zero, Vector3.Up
);
Matrix projection = Matrix.CreateOrthographicOffCenter(
0, TARGET_WIDTH, TARGET_HEIGHT, 0, 1.0f, 1000.0f);
GraphicsDevice.BlendState = BlendState.Opaque;
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
GraphicsDevice.DepthStencilState = DepthStencilState.None;
GraphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
fLineEffect.World = Matrix.Identity;
fLineEffect.Projection = projection;
fLineEffect.View = view;
fLineEffect.VertexColorEnabled = true;
fLineEffect.CurrentTechnique.Passes[0].Apply();
fLines.Render();
fSpriteBatch.Begin();
string text = DateTime.Now.ToString("HH:mm:ss");
Vector2 size = fFont.MeasureString(text);
Vector2 position = new Vector2(TARGET_WIDTH / 2 - size.X / 2, TARGET_HEIGHT / 2 - size.Y / 2);
fSpriteBatch.DrawString(fFont, text, position, Color.Cornsilk);
fSpriteBatch.End();
GraphicsDevice.SetRenderTargets(previousRenderTargets);
}
/// <summary>
/// Draw the space
/// </summary>
private void RenderGrid()
{
fLines = new DynamicPrimitiveLine(fSpriteBatch.GraphicsDevice);
float worldFactor = WORLD_SIZE / (WORLD_BLOCKS - 1);
for (int x = 0; x < WORLD_BLOCKS; x++)
{
//int blockX = (int)((particle.Position.X + HALF_WORLD_SIZE) * PARTICLE_TO_WORLD);
//int blockY = (int)((particle.Position.Y + HALF_WORLD_SIZE) * PARTICLE_TO_WORLD);
float sx1 = (x + 0.5f) * worldFactor - HALF_WORLD_SIZE;
for (int y = 0; y < WORLD_BLOCKS; y++)
{
float sy1 = (y + 0.5f) * worldFactor - HALF_WORLD_SIZE;
float dx = 1024 * 1024 * 1024 * (fSpace[x, y].ForceRight - fSpace[x, y].ForceLeft);
float dy = 1024 * 1024 * 1024 * (fSpace[x, y].ForceUp - fSpace[x, y].ForceDown);
float f = Convert.ToSingle(Math.Sqrt(dx * dx + dy * dy));
float f1 = f;
Color c1;
Color c2;
int b1;
float size = 1.0f;
if (f1 < 1024.0f)
{
size = f1 / 1024.0f;
b1 = (byte)(f1 / 4.0f);
c1 = new Color(0, 0, b1, 255);
c2 = new Color(0, 0, b1, 255);
}
else
{
f1 /= 1024.0f;
if (f1 < 1024.0f)
{
size = 1.0f;// 0.5f + f1 / 512.0f;
b1 = (byte)(f1 / 4.0f);
c1 = new Color(0, b1, 255 - b1, 255);
c2 = new Color(0, 255, 0, 128);
}
else
{
f1 /= 1024.0f;
if (f1 < 1024.0f)
{
size = 1.0f;//0.5f + f1 / 512.0f;
b1 = (byte)(f1 / 4.0f);
c1 = new Color(b1, 255, 0, 255);
c2 = new Color(255, 255, 0, 128);
}
else
{
f1 /= 1024.0f;
if (f1 < 1024.0f)
{
size = 1.0f;//0.5f + f1 / 512.0f;
b1 = (byte)(f1 / 4.0f);
c1 = new Color(255, 255 - b1, 0, 255);
c2 = new Color(255, 0, 0, 128);
}
else
{
size = 1.0f;
c1 = new Color(255, 0, 255, 255);
c2 = new Color(255, 0, 255, 255);
}
}
}
}
dx = MAX_LINE_SIZE * (dx / f) * size;
dy = MAX_LINE_SIZE * (dy / f) * size;
float sx2 = sx1 + dx;
float sy2 = sy1 + dy;
VertexPositionColor p1 = new VertexPositionColor(new Vector3(sx1, sy1, 0), c1);
VertexPositionColor p2 = new VertexPositionColor(new Vector3(sx2, sy2, 0), c2);
fLines.AddLine(p1, p2);
}
}
fBasicEffect.World = fCamera.Camera.WorldMatrix;
fBasicEffect.View = fCamera.Camera.ViewMatrix;
fBasicEffect.Projection = fCamera.Camera.ProjectionMatrix;
foreach (EffectPass pass in fBasicEffect.CurrentTechnique.Passes)
{
pass.Apply();
fLines.Render();
}
}
