protected override void CreateResources()
{
albedoMap = Texture.White;
specularMap = Texture.White;
normalMap = Texture.Blue;
ssrBuffer = Buffer.CreateUniformBuffer <SSRDepthInfo>();
planeInfo = Buffer.CreateUniformBuffer <PlaneInfoPack>();
SSRDepthInfo sSRDepthInfo = new SSRDepthInfo
{
depth = new vec4(0.0f, 0.3f, 1.0f, 1.0f)
};
ssrBuffer.SetData(ref sSRDepthInfo);
planeInfoPack.numPlanes = 1;
planeInfoPack.planeInfo.item1.centerPoint = new vec4(0.0f, 0.0f, 0.0f, 0.0f);
planeInfoPack.planeInfo.item1.size = new vec4(100.0f);
planeInfoPack.planeInfo.item2.centerPoint = new vec4(4.5f, 0.3f, 1.0f, 0.0f);
planeInfoPack.planeInfo.item2.size = new vec4(7.0f, 1.5f, 0.0f, 0.0f);
planeInfoPack.planeInfo.item3.centerPoint = new vec4(4.5f, 0.3f, -2.0f, 0.0f);
planeInfoPack.planeInfo.item3.size = new vec4(7.0f, 1.5f, 0.0f, 0.0f);
mat4 basicMat = new mat4();
basicMat[0] = new vec4(1.0f, 0.0f, 0.0f, 0.0f); //tan
basicMat[1] = new vec4(0.0f, 1.0f, 0.0f, 0.0f); //bitan
basicMat[2] = new vec4(0.0f, 0.0f, 1.0f, 0.0f); //normal
basicMat[3] = new vec4(0.0f, 0.0f, 0.0f, 1.0f);
planeInfoPack.planeInfo.item1.rotMat = glm.rotate(basicMat, glm.radians(-90.0f), glm.vec3(1.0f, 0.0f, 0.0f));
planeInfoPack.planeInfo.item2.rotMat = glm.rotate(basicMat, glm.radians(-110.0f), glm.vec3(1.0f, 0.0f, 0.0f));
planeInfoPack.planeInfo.item3.rotMat = glm.rotate(basicMat, glm.radians(-70.0f), glm.vec3(1.0f, 0.0f, 0.0f));
planeInfo.SetData(ref planeInfoPack);
}
public void AddBoundingBox(ref BoundingBox box, ref mat4 transform, Color color, bool depthTest, bool solid)
{
vec3 min = box.min;
vec3 max = box.max;
vec3 v0 = vec3.Transform(min, transform);
vec3 v1 = vec3.Transform(new vec3(max.X, min.Y, min.Z), transform);
vec3 v2 = vec3.Transform(new vec3(max.X, max.Y, min.Z), transform);
vec3 v3 = vec3.Transform(new vec3(min.X, max.Y, min.Z), transform);
vec3 v4 = vec3.Transform(new vec3(min.X, min.Y, max.Z), transform);
vec3 v5 = vec3.Transform(new vec3(max.X, min.Y, max.Z), transform);
vec3 v6 = vec3.Transform(new vec3(min.X, max.Y, max.Z), transform);
vec3 v7 = vec3.Transform(max, transform);
int uintColor = color.ToRgba();
if (!solid)
{
AddLine(v0, v1, uintColor, depthTest);
AddLine(v1, v2, uintColor, depthTest);
AddLine(v2, v3, uintColor, depthTest);
AddLine(v3, v0, uintColor, depthTest);
AddLine(v4, v5, uintColor, depthTest);
AddLine(v5, v7, uintColor, depthTest);
AddLine(v7, v6, uintColor, depthTest);
AddLine(v6, v4, uintColor, depthTest);
AddLine(v0, v4, uintColor, depthTest);
AddLine(v1, v5, uintColor, depthTest);
AddLine(v2, v7, uintColor, depthTest);
AddLine(v3, v6, uintColor, depthTest);
}
else
{
AddPolygon(v0, v1, v2, v3, uintColor, depthTest);
AddPolygon(v4, v5, v7, v6, uintColor, depthTest);
AddPolygon(v0, v4, v6, v3, uintColor, depthTest);
AddPolygon(v1, v5, v7, v2, uintColor, depthTest);
AddPolygon(v3, v2, v7, v6, uintColor, depthTest);
AddPolygon(v0, v1, v5, v4, uintColor, depthTest);
}
}
protected override void OnUpdate()
{
RenderView view = View;
UpdateLight(view);
tile_count_x = ((uint)view.Width - 1) / TILE_WIDTH + 1;
tile_count_y = ((uint)view.Height - 1) / TILE_HEIGHT + 1;
Camera camera = view.Camera;
clusterUniforms.view = camera.View;
mat4 clip = new mat4(1.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.5f, 1.0f);
//clusterUniforms.projection_clip = clip*camera.Projection;
clusterUniforms.projection_clip = camera.VkProjection;
clusterUniforms.inv_view_proj = glm.inverse(camera.VkProjection * camera.View);
clusterUniforms.tile_size[0] = (float)(TILE_WIDTH);
clusterUniforms.tile_size[1] = (float)(TILE_HEIGHT);
clusterUniforms.grid_dim[0] = tile_count_x;
clusterUniforms.grid_dim[1] = tile_count_y;
clusterUniforms.cam_pos = camera.Node.WorldPosition;
clusterUniforms.cam_near = camera.NearClip;
clusterUniforms.cam_forward = camera.Node.WorldDirection;
clusterUniforms.cam_far = camera.FarClip;
clusterUniforms.resolution[0] = (float)(view.Width);
clusterUniforms.resolution[1] = (float)(view.Height);
clusterUniforms.num_lights = num_lights;
uboCluster.SetData(ref clusterUniforms);
uboCluster.Flush();
}
/// <summary>
/// Creates a new instance of BoundingFrustum.
/// </summary>
/// <param name="matrix">Combined matrix that usually takes view × projection matrix.</param>
public Frustum(mat4 matrix)
{
this.matrix = matrix;
GetPlanesFromMatrix(in this.matrix, out near, out far, out left, out right, out top, out bottom);
}
public void SetLightMatrices(int index, ref mat4 mat)
{
lightMatrices[index] = mat;
}