public void Draw(Scene octTreeModule)
{
var vp = device.Viewport;
Camera.Viewport = viewport;
device.Viewport = viewport;
device.BlendState = BlendState.AlphaBlend;
device.DepthStencilState = DepthStencilState.Default;
drawEffect.Parameters["World"].SetValue(Matrix.Identity);
drawEffect.Parameters["View"].SetValue(Camera.View);
drawEffect.Parameters["Projection"].SetValue(Camera.Projection);
drawEffect.Parameters["WorldInverseTranspose"].SetValue(Matrix.Transpose(Matrix.Invert(Matrix.Identity)));
drawEffect.Parameters["DiffuseColor"].SetValue(new Vector4(1, 1, 0.4f, 1));
drawEffect.Parameters["DiffuseLightDirection"].SetValue(Vector3.Normalize(new Vector3(1, 0, -1)));
drawEffect.Parameters["FillColor"].SetValue(new Vector4(0.5f, 0.5f, 1, 1));
drawEffect.Parameters["FillLightDirection"].SetValue(Vector3.Normalize(new Vector3(0, 1, 1)));
drawEffect.Parameters["FogColor"].SetValue(Color.Black.ToVector4());
drawEffect.CurrentTechnique = drawEffect.Techniques[0];
var frustum = Camera.GetFrustum();
//var nodes = octTreeModule.Query(frustum).Distinct();
//.Select(id => renderables.ContainsKey(id) ? renderables[id] : null);
var nodes = octTreeModule.allEntities.Select(p => p.Value.spacial);
foreach (var node in nodes)
{
if (node != null)
{
drawEffect.Parameters["World"].SetValue(node.World);
drawEffect.Parameters["WorldInverseTranspose"].SetValue(Matrix.Transpose(Matrix.Invert(node.World)));
drawEffect.CurrentTechnique.Passes[0].Apply();
node.Draw(device);
}
}
device.Viewport = vp;
}
public UInt32 MousePick(Scene octTreeModule, Vector2 mouseCoordinates)
{
device.SetRenderTarget(mousePickTarget);
device.Clear(ClearOptions.Target, Vector4.Zero, 0xFFFFFF, 0);
device.BlendState = BlendState.Opaque;
drawIDEffect.Parameters["World"].SetValue(Matrix.Identity);
drawIDEffect.Parameters["View"].SetValue(Camera.View);
var projection = Camera.GetSinglePixelProjection(mouseCoordinates);
drawIDEffect.Parameters["Projection"].SetValue(projection);
var frustum = new BoundingFrustum(Camera.View * projection);
var nodes = octTreeModule.Query(frustum).Distinct();
drawIDEffect.CurrentTechnique = drawIDEffect.Techniques[0];
foreach (var node in nodes)
if (node != null)
{
drawIDEffect.Parameters["World"].SetValue(node.World);
//drawIDEffect.Parameters["WorldInverseTranspose"].SetValue(Matrix.Transpose(Matrix.Invert(node.World)));
var idBytes = BitConverter.GetBytes(node.id);
drawIDEffect.Parameters["ID"].SetValue(
new Vector4(idBytes[0] / 255.0f, idBytes[1] / 255.0f, idBytes[2] / 255.0f, idBytes[3] / 255.0f));
drawIDEffect.CurrentTechnique.Passes[0].Apply();
node.Draw(device);
}
device.SetRenderTarget(null);
var data = new Color[1];
mousePickTarget.GetData(data);
return data[0].PackedValue;
}