private void TranslucentRender()
{
GraphicsDeviceContext device = GraphicsDeviceContext.Instance;
device.SetBlendState(Addition);
device.SetRasterizerState(CullingOff);
device.SetDepthStencilState(ZTestOnWriteOff);
device.SetVertexLayout(VertexLayout);
device.SetPrimitiveTopology(PrimitiveTopology.TriangleStrip);
device.SetVertexShader(VertexShader);
device.SetPixelShader(PixelShader);
device.SetVertexBuffer(VertexPositions, 0);
device.SetVertexBuffer(VertexTextureCoords, 1);
PixelShader.SetTexture(Texture, 0);
InstanceWVPs.Lock(Accessibility.DynamicWriteOnly);
InstanceAlphas.Lock(Accessibility.DynamicWriteOnly);
for (int i = 0; i < InstanceCount; i++)
{
var instance = Instances[i];
InstanceWVPs.Write(i, instance.Matrix * ViewingMatrix * ProjectionMatrix);
float alpha = 0.15f * instance.Time;
InstanceAlphas.Write(i, alpha);
}
InstanceAlphas.Unlock();
InstanceWVPs.Unlock();
device.SetInstanceBuffer(InstanceAlphas, 2);
device.SetInstanceBuffer(InstanceWVPs, 3);
device.DrawInstanced(4, InstanceCount);
}
private void TranslucentRender()
{
GraphicsDeviceContext device = GraphicsDeviceContext.Instance;
device.SetBlendState(AlphaBlend);
device.SetRasterizerState(CullingOff);
device.SetDepthStencilState(ZTestOnWriteOff);
device.SetVertexLayout(VertexLayout);
device.SetPrimitiveTopology(PrimitiveTopology.TriangleStrip);
device.SetVertexShader(VertexShader);
device.SetPixelShader(PixelShader);
device.SetVertexBuffer(VertexPositions, 0);
device.SetVertexBuffer(VertexTextureCoords, 1);
PixelShader.SetSamplerState(Wrap, 0);
PixelShader.SetTexture(Texture, 0);
InstanceAlphas.Lock(Accessibility.DynamicWriteOnly);
InstanceWVPs.Lock(Accessibility.DynamicWriteOnly);
int k = 0;
foreach (var instance in Instances)
{
Vector3 position = instance.Position;
float x = instance.Time;
float scale = clamp(-3 * sin(x) * log(x), 0, 1) * 15 + 10;
float alpha = clamp(sin(square(1.2f - x)), 0, 1) * 0.5f;
var world = new Matrix4x3().Identity();
world.Translate(position * ViewingMatrix);
world.Scale(scale);
InstanceWVPs.Write(k, world * ProjectionMatrix);
InstanceAlphas.Write(k, alpha);
k++;
}
InstanceAlphas.Unlock();
InstanceWVPs.Unlock();
device.SetInstanceBuffer(InstanceAlphas, 2);
device.SetInstanceBuffer(InstanceWVPs, 3);
device.DrawInstanced(4, Instances.Count);
}
void TransparentRender()
{
GraphicsDevice device = GraphicsDevice.Instance;
device.SetBlendState(AlphaBlend);
device.SetRasterizerState(CullingOff);
device.SetDepthStencilState(ZTestOnWriteOff);
device.SetVertexLayout(VertexLayout);
device.SetPrimitiveTopology(PrimitiveTopology.TriangleStrip);
device.SetVertexShader(VertexShader);
device.SetPixelShader(PixelShader);
device.SetVertexBuffer(VertexPositions, 0);
device.SetVertexBuffer(VertexTextureCoords, 1);
PixelShader.SetSamplerState(Wrap, 0);
PixelShader.SetTexture(Texture, 0);
InstanceWVPs.Lock(Accessibility.DynamicWriteOnly);
var eye = Entity.Find("camera").Get <TransformComponent>().Position;
for (int i = 0; i < Instances.Length; i++)
{
var instance = Instances[i];
Vector3 position = instance.Position;
float scale = instance.Scale;
var world = new Matrix4x3().Identity();
world.Translate(position * ViewingMatrix);
world.Scale(scale);
InstanceWVPs.Write(i, world * ProjectionMatrix);
}
InstanceWVPs.Unlock();
device.SetInstanceBuffer(InstanceWVPs, 2);
device.DrawInstanced(4, Instances.Length);
}
private void TranslucentRender()
{
GraphicsDeviceContext device = GraphicsDeviceContext.Instance;
device.SetBlendState(Addition);
device.SetRasterizerState(CullingOff);
device.SetDepthStencilState(ZTestOnWriteOff);
device.SetVertexLayout(VertexLayout);
device.SetPrimitiveTopology(PrimitiveTopology.TriangleStrip);
device.SetVertexShader(VertexShader);
device.SetPixelShader(PixelShader);
device.SetVertexBuffer(VertexPositions, 0);
device.SetVertexBuffer(VertexTextureCoords, 1);
PixelShader.SetSamplerState(Wrap, 0);
PixelShader.SetTexture(Texture, 0);
InstanceColors.Lock(Accessibility.DynamicWriteOnly);
InstanceWVPs.Lock(Accessibility.DynamicWriteOnly);
var viewing = Entity.Find("camera").Get <CameraComponent>().ViewingMatrix;
var projection = Entity.Find("projector").Get <ProjectorComponent>().ProjectionMatrix;
var eye = Entity.Find("camera").Get <TransformComponent>().Position;
int k = 0;
Vector3 position2 = Nodes.First.Value.Position;
foreach (var node in Nodes)
{
Vector3 position1 = node.Position;
if (k > 0)
{
Vector3 vz = position2 - position1;
vz.Normalize();
Vector3 vy = Vector3.Outer(vz, position1 - eye);
vy.Normalize();
Vector3 vx = Vector3.Outer(vy, vz);
Matrix4x3 matrix = new Matrix4x3().Identity();
matrix.M11 = vx.X; matrix.M12 = vx.Y; matrix.M13 = vx.Z;
matrix.M21 = vy.X; matrix.M22 = vy.Y; matrix.M23 = vy.Z;
matrix.M31 = vz.X; matrix.M32 = vz.Y; matrix.M33 = vz.Z;
var world = new Matrix4x3().Identity();
world.Translate(position1);
world.Transform(matrix);
world.Scale(1, 2, (position1 - position2).Magnitude);
InstanceWVPs.Write(k, world * viewing * projection);
//float alpha = clamp(exp(-square(node.Time - 0.5f) / 0.075f), 0, 1) * 0.75f;
float alpha = clamp(sin((1 - node.Time) * PI) - 0.05f, 0, 1) * (1 - node.Time);
//float alpha = 1.0f - node.Time;
InstanceColors.Write(k, new Color(alpha, alpha, alpha));
}
k++;
position2 = position1;
}
InstanceColors.Unlock();
InstanceWVPs.Unlock();
device.SetInstanceBuffer(InstanceColors, 2);
device.SetInstanceBuffer(InstanceWVPs, 3);
device.DrawInstanced(4, Nodes.Count - 1);
}
