public SphereTreeNode()
{
_sphere = new Sphere(Vector3.zero, 1.0f);
_data = default(T);
}
public SphereTreeNode(T data, Sphere sphere)
{
_sphere = sphere;
_data = data;
}
public Texture2D Generate(GameObject unityPrefab)
{
if (!_isGenSessionActive || _renderCamera.targetTexture == null)
{
return(null);
}
RenderTexture oldRenderTexture = UnityEngine.RenderTexture.active;
RenderTexture.active = _renderCamera.targetTexture;
GL.Clear(true, true, _previewLookAndFeel.BkColor);
bool hasMesh = unityPrefab.HierarchyHasMesh();
bool hasSprite = unityPrefab.HierarchyHasSprite();
PreviewObjectType previewObjectType = PreviewObjectType.Mesh;
if (!hasMesh && hasSprite)
{
previewObjectType = PreviewObjectType.Sprite;
}
else if (!hasMesh && !hasSprite)
{
if (unityPrefab.HierarchyHasObjectsOfType(GameObjectType.Light))
{
previewObjectType = PreviewObjectType.Light;
}
else if (unityPrefab.HierarchyHasObjectsOfType(GameObjectType.ParticleSystem))
{
previewObjectType = PreviewObjectType.ParticleSystem;
}
else
{
previewObjectType = PreviewObjectType.Other;
}
}
GameObject previewObject = null;
if (previewObjectType == PreviewObjectType.Mesh || previewObjectType == PreviewObjectType.Sprite)
{
previewObject = GameObject.Instantiate(unityPrefab);
}
else
{
previewObject = _nonMeshPreviewObject;
}
Transform previewObjectTransform = previewObject.transform;
previewObjectTransform.position = Vector3.zero;
previewObjectTransform.rotation = Quaternion.identity;
previewObjectTransform.localScale = unityPrefab.transform.lossyScale;
AABB sceneAABB = RTScene.Get.CalculateBounds();
Sphere sceneSphere = new Sphere(sceneAABB);
AABB previewAABB = new AABB();
previewAABB = ObjectBounds.CalcHierarchyWorldAABB(previewObject, _boundsQConfig);
Sphere previewSphere = new Sphere(previewAABB);
Vector3 previewSphereCenter = sceneSphere.Center - Vector3.right * (sceneSphere.Radius + previewSphere.Radius + 90.0f);
previewObjectTransform.position += (previewSphereCenter - previewSphere.Center);
previewAABB = ObjectBounds.CalcHierarchyWorldAABB(previewObject, _boundsQConfig);
previewSphere.Center = previewSphereCenter;
Transform camTransform = _renderCamera.transform;
if (previewObjectType == PreviewObjectType.Mesh || previewObjectType == PreviewObjectType.Sprite)
{
camTransform.rotation = Quaternion.identity;
if (previewObjectType != PreviewObjectType.Sprite)
{
camTransform.rotation = Quaternion.AngleAxis(-45.0f, Vector3.up) * Quaternion.AngleAxis(35.0f, camTransform.right);
}
camTransform.position = previewSphere.Center - camTransform.forward * (previewSphere.Radius * 2.0f + _renderCamera.nearClipPlane);
}
else
{
camTransform.rotation = previewObjectTransform.rotation;
camTransform.position = previewSphere.Center - camTransform.forward * (previewSphere.Radius * 2.0f + _renderCamera.nearClipPlane);
Texture2D previewIcon = previewObjectType == PreviewObjectType.Light ? RTScene.Get.LookAndFeel.LightIcon : RTScene.Get.LookAndFeel.ParticleSystemIcon;
_nonMeshPreviewObject.GetComponent <MeshRenderer>().sharedMaterial.SetTexture("_MainTex", previewIcon);
}
_previewLight.transform.forward = camTransform.forward;
_renderCamera.Render();
if (previewObject != _nonMeshPreviewObject)
{
GameObject.DestroyImmediate(previewObject);
}
Texture2D previewTexture = new Texture2D(_previewLookAndFeel.PreviewWidth, _previewLookAndFeel.PreviewHeight, TextureFormat.ARGB32, true, true);
previewTexture.ReadPixels(new Rect(0, 0, _previewLookAndFeel.PreviewWidth, _previewLookAndFeel.PreviewHeight), 0, 0);
previewTexture.Apply();
UnityEngine.RenderTexture.active = oldRenderTexture;
return(previewTexture);
}
