public static void RebuildMeshObjectBuffers()
{
if (!NeedRebuilding)
{
return;
}
RayTracingMaster.Rerender();
_meshObjects.Clear();
_vertices.Clear();
_normals.Clear();
_indices.Clear();
foreach (var obj in _rayTracingObjects)
{
int firstVertex = _vertices.Count;
UnityEngine.Mesh mesh = obj.GetComponent <MeshFilter>().mesh;
_vertices.AddRange(mesh.vertices);
_normals.AddRange(mesh.normals);
//注意当前模型的第一个顶点并不是所有模型中的第一个顶点
int firstIndex = _indices.Count;
var indices = mesh.GetIndices(0);
_indices.AddRange(indices.Select(index => index + firstVertex));
_meshObjects.Add(new Mesh()
{
localToWorldMatrix = obj.transform.localToWorldMatrix,
localNormalToWorldMatrix = obj.transform.localToWorldMatrix.inverse.transpose,
indices_offset = firstIndex,
indices_count = indices.Length
});
}
NeedRebuilding = false;
}
public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
{
if (rayTracingMaster == null)
{
rayTracingMaster = FindObjectOfType <RayTracingMaster>();
}
}
private void Update()
{
if (beforeTransform != this.transform)
{
RayTracingMaster.UnregisterObject(this);
RayTracingMaster.RegisterObject(this);
}
}
private void OnEnable()
{
if (RandomMaterial)
{
this.SetRandom();
}
RayTracingMaster.RegisterObject(this);
}
void Awake()
{
if (string.IsNullOrWhiteSpace(objectName))
{
objectName = gameObject.name;
}
RayTracingMaster.RegisterObject(this);
}
void Update()
{
if (transform.hasChanged)
{
RayTracingMaster.UpdateObject(transform);
//print("The transform has changed!");
transform.hasChanged = false;
}
}
public void SetSceneData()
{
_SceneData = new SceneData();
_SceneData._MaxRecursionDepth = maxRecursionDepth;
SetBackgroundColor();
ParseSceneCameras();
SetRenderCameraData();
ParseSceneLights();
ParseSceneObjects();
Transform[] cameraTransforms = GameObject.Find("SceneCameras").GetComponentsInChildren <Transform>();
if (cameraNo <= _SceneData._CameraDatas.Count)
{
rayTracingMaster = cameraTransforms[cameraNo].GetComponent <RayTracingMaster>();
}
}
private void OnEnable()
{
//MeshFilter[] meshFilters = GetComponentsInChildren<MeshFilter>();
//CombineInstance[] combine = new CombineInstance[10];
//int i = 0;
//while (i < 10)
//{
// combine[i].mesh = meshFilters[i].sharedMesh;
// combine[i].transform = meshFilters[i].transform.localToWorldMatrix;
// meshFilters[i].gameObject.SetActive(false);
// i++;
//}
//transform.GetComponent<MeshFilter>().mesh = new Mesh();
//transform.GetComponent<MeshFilter>().mesh.CombineMeshes(combine);
//transform.gameObject.SetActive(true);
RayTracingMaster.RegisterObject(this);
}
public static void SetRandomSpheres(uint SpheresMax, Vector3 SphereRadius, float SpherePlacementRadius)
{
RayTracingMaster.Rerender();
for (int i = 0; i < SpheresMax; i++)
{
Sphere sphere = new Sphere();
sphere.radius = SphereRadius.x + Random.value * (SphereRadius.y - SphereRadius.x);
//由单位圆内随机映射为所给半径圆内随机
Vector2 randomPos = Random.insideUnitCircle * SpherePlacementRadius;
//与y=0平面相切
sphere.position = new Vector3(randomPos.x, sphere.radius, randomPos.y);
//判断是否与已生成球重合
bool isInOther = false;
foreach (Sphere other in spheres)
{
float minDist = sphere.radius + other.radius;
if (Vector3.SqrMagnitude(sphere.position - other.position) < minDist * minDist)
{
isInOther = true;
}
}
if (isInOther)
{
continue;
}
//一半几率生成漫反射，一半几率生成镜面反射
Color color = Random.ColorHSV();
bool metal = Random.value < 0.5f;
sphere.albedo = metal ? Vector3.zero : new Vector3(color.r, color.g, color.b);
sphere.specular = metal ? new Vector3(color.r, color.g, color.b) : Vector3.one * 0.04f;
Color emissioncolor = Random.ColorHSV();
sphere.emission = (Random.value > 0.85) ?
new Vector3(emissioncolor.r, emissioncolor.g, emissioncolor.b) * Random.Range(3, 40)
: Vector3.zero;
sphere.smoothness = Random.Range(0.7f, 1.0f);
sphere.smoothness = SmoothnessToPhongAlpha(sphere.smoothness);
spheres.Add(sphere);
}
}
// Awake() and Start() are called only once per object
// But OnEnable() can be called everytime the object is enabled either by another
// script or Unity; So use Awake() for the absolute initialization purpose
void OnEnable()
{
RayTracingMaster.RegisterParaboloidMirror(this);
}
private void OnDisable()
{
RayTracingMaster.UnregisterGeoConeMirror(this);
}
private void OnEnable()
{
RayTracingMaster.RegisterGeoConeMirror(this);
}
private void OnDisable() => RayTracingMaster.UnregisterObject(this);
private void OnDisable()
{
RayTracingMaster.UnregisterPyramidMirror(this);
}
void OnDisable()
{
RayTracingMaster.UnregisterParaboloidMirror(this);
}
private void OnEnable()
{
m_rtmScript = (RayTracingMaster)target;
}
private void OnEnable()
{
RayTracingMaster.RegisterObject(this);
rayTracingMaster.transformsToWatch.Add(transform);
}
private void OnDisable()
{
RayTracingMaster.UnregisterObj(this);
}
void OnDisable()
{
RayTracingMaster.UnregisterTriangularConeMirror(this);
}
void OnEnable()
{
RayTracingMaster.RegisterTriangularConeMirror(this);
}
private void OnEnable()
{
RayTracingMaster.RegisterPyramidMirror(this);
}
private void OnEnable()
{
RayTracingMaster.RegisterObject(this);
beforeTransform = this.transform;
}
private void OnEnable()
{
RayTracingMaster.RegisterObject(this);
}
void OnBecameInvisible()
{
RayTracingMaster.UnregisterSphereObject(this);
}
//void OnEnable() {
// RayTracingMaster.RegisterObject(this);
// }
void OnDisable()
{
RayTracingMaster.UnregisterObject(this);
}
void OnDisable()
{
RayTracingMaster.UnregisterHemisphereMirror(this);
}
// Start is called before the first frame update
void OnBecameVisible()
{
RayTracingMaster.RegisterSphereObject(this);
}
void OnEnable()
{
RayTracingMaster.RegisterHemisphereMirror(this);
}
