public override void LoadContent()
{
base.LoadContent();
// Setup vertex declaration
_vDeclaration = new VertexDeclaration(VertexPositionColor.VertexDeclaration.GetVertexElements());
_simpleEffect = new BasicEffect(GraphicsDevice);
_simpleEffect.VertexColorEnabled = true;
// Setup our Cone Pointer
TranslationPointer = Game.Content.Load <Model>("Cone");
_coneBoneTransforms = new Matrix[TranslationPointer.Bones.Count];
_coneOriginalBoneTransforms = new Matrix[TranslationPointer.Bones.Count];
TranslationPointer.CopyAbsoluteBoneTransformsTo(_coneBoneTransforms);
TranslationPointer.CopyBoneTransformsTo(_coneOriginalBoneTransforms);
// Setup our Cube Pointer
ScalePointer = Game.Content.Load <Model>("Cube");
_cubeBoneTransforms = new Matrix[ScalePointer.Bones.Count];
_cubeOriginalBoneTransforms = new Matrix[ScalePointer.Bones.Count];
ScalePointer.CopyAbsoluteBoneTransformsTo(_cubeBoneTransforms);
ScalePointer.CopyBoneTransformsTo(_cubeOriginalBoneTransforms);
}
public override void Draw(GameTime gameTime)
{
// Setup our vertices incase line length has changed
SetupVertices();
if (Camera != null)
{
_simpleEffect.World = Matrix.CreateTranslation(Position.X, Position.Y, Position.Z);
_simpleEffect.View = Camera.View;
_simpleEffect.Projection = Camera.Projection;
}
#region X Axis Drawing
if (SelectedAxis == SelectedAxis.X)
{
// Draw our X Axis Line
_simpleEffect.AmbientLightColor = Color.Yellow.ToVector3();
_simpleEffect.DiffuseColor = Color.Yellow.ToVector3();
}
else
{
// Draw our X Axis Line
_simpleEffect.AmbientLightColor = _xColor.ToVector3();
_simpleEffect.DiffuseColor = _xColor.ToVector3();
}
// Begin this effect pass
_simpleEffect.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, _vertX, 0, 1);
#endregion
#region Y Axis Drawing
if (SelectedAxis == SelectedAxis.Y)
{
// Draw our X Axis Line
_simpleEffect.AmbientLightColor = Color.Yellow.ToVector3();
_simpleEffect.DiffuseColor = Color.Yellow.ToVector3();
}
else
{
_simpleEffect.AmbientLightColor = _yColor.ToVector3();
_simpleEffect.DiffuseColor = _yColor.ToVector3();
}
// Begin this effect pass
_simpleEffect.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, _vertY, 0, 1);
#endregion
#region Z Axis Drawing
if (SelectedAxis == SelectedAxis.Z)
{
// Draw our X Axis Line
_simpleEffect.AmbientLightColor = Color.Yellow.ToVector3();
_simpleEffect.DiffuseColor = Color.Yellow.ToVector3();
}
else
{
_simpleEffect.AmbientLightColor = _zColor.ToVector3();
_simpleEffect.DiffuseColor = _zColor.ToVector3();
}
// Begin this effect pass
_simpleEffect.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.LineList, _vertZ, 0, 1);
#endregion
#region Translation Pointer
if (SelectMode == SelectedDisplayMode.Translation)
{
#region Draw Cone Pointer for X Axis
foreach (ModelMesh mesh in TranslationPointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_coneXWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateRotationZ(MathHelper.ToRadians(-90)) *
Matrix.CreateTranslation(new Vector3(Position.X + LineLength, Position.Y, Position.Z));
if (Camera != null)
{
effect.World = _coneXWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
if (SelectedAxis == SelectedAxis.X)
{
effect.DiffuseColor = Color.Yellow.ToVector3();
effect.AmbientLightColor = Color.Yellow.ToVector3();
}
else
{
effect.DiffuseColor = _xColor.ToVector3();
effect.AmbientLightColor = _xColor.ToVector3();
}
}
mesh.Draw();
}
TranslationPointer.CopyBoneTransformsFrom(_coneOriginalBoneTransforms);
#endregion
#region Draw Cone Pointer for Y Axis
foreach (ModelMesh mesh in TranslationPointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_coneYWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateTranslation(new Vector3(Position.X, Position.Y + LineLength, Position.Z));
if (Camera != null)
{
effect.World = _coneYWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
if (SelectedAxis == SelectedAxis.Y)
{
effect.DiffuseColor = Color.Yellow.ToVector3();
effect.AmbientLightColor = Color.Yellow.ToVector3();
}
else
{
effect.DiffuseColor = _yColor.ToVector3();
effect.AmbientLightColor = _yColor.ToVector3();
}
}
mesh.Draw();
}
TranslationPointer.CopyBoneTransformsFrom(_coneOriginalBoneTransforms);
#endregion
#region Draw Cone Pointer for Z Axis
foreach (ModelMesh mesh in TranslationPointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_coneZWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateRotationX(MathHelper.ToRadians(90)) *
Matrix.CreateTranslation(new Vector3(Position.X, Position.Y, Position.Z + LineLength));
if (Camera != null)
{
effect.World = _coneZWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
if (SelectedAxis == SelectedAxis.Z)
{
effect.DiffuseColor = Color.Yellow.ToVector3();
effect.AmbientLightColor = Color.Yellow.ToVector3();
}
else
{
effect.DiffuseColor = _zColor.ToVector3();
effect.AmbientLightColor = _zColor.ToVector3();
}
}
mesh.Draw();
}
TranslationPointer.CopyBoneTransformsFrom(_coneOriginalBoneTransforms);
#endregion
}
#endregion
#region Scale Pointer
if (SelectMode == SelectedDisplayMode.Scale)
{
#region Draw Cube Pointer for X Axis
foreach (ModelMesh mesh in ScalePointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_cubeXWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateTranslation(new Vector3(Position.X + LineLength, Position.Y, Position.Z));
if (Camera != null)
{
effect.World = _cubeXWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
effect.AmbientLightColor = _xColor.ToVector3();
effect.DiffuseColor = _xColor.ToVector3();
}
mesh.Draw();
}
// Copy our bone transforms from our original
ScalePointer.CopyBoneTransformsFrom(_cubeOriginalBoneTransforms);
#endregion
#region Draw Cube Pointer for Y Axis
foreach (ModelMesh mesh in ScalePointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_cubeYWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateTranslation(new Vector3(Position.X, Position.Y + LineLength, Position.Z));
if (Camera != null)
{
effect.World = _cubeYWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
effect.DiffuseColor = _yColor.ToVector3();
effect.AmbientLightColor = _yColor.ToVector3();
}
mesh.Draw();
}
// Copy our bone transforms from our original
ScalePointer.CopyBoneTransformsFrom(_cubeOriginalBoneTransforms);
#endregion
#region Draw Cube Pointer for Z Axis
foreach (ModelMesh mesh in ScalePointer.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
_cubeZWorld = _cubeBoneTransforms[mesh.ParentBone.Index] *
Matrix.CreateScale(Scale) *
Matrix.CreateTranslation(new Vector3(Position.X, Position.Y, Position.Z + LineLength));
if (Camera != null)
{
effect.World = _cubeZWorld;
effect.View = Camera.View;
effect.Projection = Camera.Projection;
}
effect.EnableDefaultLighting();
effect.PreferPerPixelLighting = true;
effect.DiffuseColor = _zColor.ToVector3();
effect.AmbientLightColor = _zColor.ToVector3();
}
mesh.Draw();
}
// Copy our bone transforms from our original
ScalePointer.CopyBoneTransformsFrom(_cubeOriginalBoneTransforms);
#endregion
}
#endregion
base.Draw(gameTime);
}