public void Draw(GraphicsDevice graphics, ArcBallCamera camera)
{
if(effect == null)
{
effect = new BasicEffect(graphics);
effect.VertexColorEnabled = true;
}
effect.Projection = camera.Projection;
effect.View = camera.View;
effect.CurrentTechnique.Passes[0].Apply();
for(int i = 0; i < 3; i++)
graphics.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineList, vertices[i], 0, 1);
}
public void Draw(ArcBallCamera camera)
{
if (!initialized || !Enabled) return;
effect.Projection = camera.Projection;
effect.View = camera.View;
effect.CurrentTechnique.Passes[0].Apply();
device.DrawUserIndexedPrimitives(
PrimitiveType.LineList,
verts,
0,
8,
indices,
0,
indices.Length / 2);
}
public void Draw(ArcBallCamera camera)
{
Vector3 scale;
Vector3 translation;
Quaternion rotation;
camera.View.Decompose(out scale, out rotation, out translation);
Matrix mRotation = Matrix.CreateFromQuaternion(rotation);
Matrix mInv = Matrix.Invert(camera.Projection)*
Matrix.Invert(Matrix.CreateTranslation(translation));
effect.Projection = projection;
effect.View = camera.View * Matrix.Invert(Matrix.CreateTranslation(translation)) * offset;
effect.CurrentTechnique.Passes[0].Apply();
for (int i = 0; i < 3; i++)
device.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineList, vertices[i], 0, 1);
}
protected override void Initialize()
{
input = new Input();
spriteBatch = new SpriteBatch(GraphicsDevice);
ContentManager Content = new ContentManager(Services, "Content");
ViewModeLabel.Instance.Initialize(Content);
Message.Instance.Initialize(Content);
ReferenceAxis.Instance.Initialize(GraphicsDevice);
camera = new ArcBallCamera();
camera.FieldOfView = MathHelper.Pi / 3;
ResetView();
worldAxes = new WorldAxes();
worldAxes.Size = 20;
gridXY = new Grid(this);
rsWireframe = new RasterizerState();
rsWireframe.FillMode = FillMode.WireFrame;
rsWireframe.CullMode = CullMode.None;
rsSolid = new RasterizerState();
rsSolid.FillMode = FillMode.Solid;
}
public void Render(ArcBallCamera camera)
{
if (vertBuffer == null || !Enabled)
return;
graphicsDevice.SetVertexBuffer(vertBuffer);
effect.World = Matrix.CreateScale(sphere.Radius) *
Matrix.CreateTranslation(sphere.Center);
effect.View = camera.View;
effect.Projection = camera.Projection;
effect.DiffuseColor = Color.Red.ToVector3();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
//render each circle individually
graphicsDevice.DrawPrimitives(PrimitiveType.LineStrip, 0, sphereResolution);
graphicsDevice.DrawPrimitives(PrimitiveType.LineStrip, sphereResolution + 1, sphereResolution);
graphicsDevice.DrawPrimitives(PrimitiveType.LineStrip, (sphereResolution + 1) * 2, sphereResolution);
}
}