private void UpdateMesh(OVROverlay.OverlayShape shape, Vector3 position, Quaternion rotation, Vector3 scale, Rect rect)
{
if (_MeshFilter)
{
if (_Mesh == null)
{
_Mesh = new Mesh()
{
name = "Overlay"
};
_Mesh.hideFlags = HideFlags.DontSaveInBuild | HideFlags.DontSaveInEditor;
}
_Mesh.Clear();
_Verts.Clear();
_UV.Clear();
_Tris.Clear();
GenerateMesh(_Verts, _UV, _Tris, shape, position, rotation, scale, rect);
_Mesh.SetVertices(_Verts);
_Mesh.SetUVs(0, _UV);
_Mesh.SetTriangles(_Tris, 0);
_Mesh.UploadMeshData(false);
_MeshFilter.sharedMesh = _Mesh;
if (_MeshCollider)
{
_MeshCollider.sharedMesh = _Mesh;
}
}
}
private void Update()
{
if (!_Awake)
{
Awake();
}
if (_Overlay)
{
OVROverlay.OverlayShape shape = _Overlay.currentOverlayShape;
Vector3 position = _CameraRoot ? (_Transform.position - _CameraRoot.position) : _Transform.position;
Quaternion rotation = _Transform.rotation;
Vector3 scale = _Transform.lossyScale;
Rect rectLeft = _Overlay.overrideTextureRectMatrix ? _Overlay.destRectLeft : new Rect(0, 0, 1, 1);
Rect rectRight = _Overlay.overrideTextureRectMatrix ? _Overlay.destRectRight : new Rect(0, 0, 1, 1);
if (_Mesh == null || _LastShape != shape || _LastPosition != position || _LastRotation != rotation || _LastScale != scale || _LastRectLeft != rectLeft || _LastRectRight != rectRight)
{
UpdateMesh(shape, position, rotation, scale, GetBoundingRect(rectLeft, rectRight));
_LastShape = shape;
_LastPosition = position;
_LastRotation = rotation;
_LastScale = scale;
_LastRectLeft = rectLeft;
_LastRectRight = rectRight;
}
}
}
public static void GenerateMesh(List <Vector3> verts, List <Vector2> uvs, List <int> tris, OVROverlay.OverlayShape shape, Vector3 position, Quaternion rotation, Vector3 scale, Rect rect)
{
switch (shape)
{
case OVROverlay.OverlayShape.Equirect:
BuildSphere(verts, uvs, tris, position, rotation, scale, rect);
break;
case OVROverlay.OverlayShape.Cubemap:
case OVROverlay.OverlayShape.OffcenterCubemap:
BuildCube(verts, uvs, tris, position, rotation, scale);
break;
case OVROverlay.OverlayShape.Quad:
BuildQuad(verts, uvs, tris, rect);
break;
case OVROverlay.OverlayShape.Cylinder:
BuildHemicylinder(verts, uvs, tris, scale, rect);
break;
}
}
private void Update()
{
if (!Application.isEditor)
{
return;
}
if (!_Awake)
{
Awake();
}
if (_Overlay)
{
OVROverlay.OverlayShape shape = _Overlay.currentOverlayShape;
Vector3 position = _CameraRoot ? (_Transform.position - _CameraRoot.position) : _Transform.position;
Quaternion rotation = _Transform.rotation;
Vector3 scale = _Transform.lossyScale;
Rect destRectLeft = _Overlay.overrideTextureRectMatrix ? _Overlay.destRectLeft : new Rect(0, 0, 1, 1);
Rect destRectRight = _Overlay.overrideTextureRectMatrix ? _Overlay.destRectRight : new Rect(0, 0, 1, 1);
Rect srcRectLeft = _Overlay.overrideTextureRectMatrix ? _Overlay.srcRectLeft : new Rect(0, 0, 1, 1);
Texture texture = _Overlay.textures[0];
// Re-generate the mesh if necessary
if (_Mesh == null ||
_LastShape != shape ||
_LastPosition != position ||
_LastRotation != rotation ||
_LastScale != scale ||
_LastDestRectLeft != destRectLeft ||
_LastDestRectRight != destRectRight)
{
UpdateMesh(shape, position, rotation, scale, GetBoundingRect(destRectLeft, destRectRight));
_LastShape = shape;
_LastPosition = position;
_LastRotation = rotation;
_LastScale = scale;
_LastDestRectLeft = destRectLeft;
_LastDestRectRight = destRectRight;
}
// Generate the material and update textures if necessary
if (_MeshRenderer.sharedMaterial == null)
{
Material previewMat = new Material(Shader.Find("Unlit/Transparent"));
_MeshRenderer.sharedMaterial = previewMat;
}
if (_MeshRenderer.sharedMaterial.mainTexture != texture && !_Overlay.isExternalSurface)
{
_MeshRenderer.sharedMaterial.mainTexture = texture;
}
if (_LastSrcRectLeft != srcRectLeft)
{
_MeshRenderer.sharedMaterial.mainTextureOffset = srcRectLeft.position;
_MeshRenderer.sharedMaterial.mainTextureScale = srcRectLeft.size;
_LastSrcRectLeft = srcRectLeft;
}
}
}
