DrawGridParameters PrepareGridRenderOrthogonalMode(Camera camera, Vector3 pivot, Quaternion rotation,
float size)
{
Vector3 direction = camera.transform.TransformDirection(new Vector3(0, 0, 1));
DrawGridParameters parameters = default(DrawGridParameters);
// Don't show orthographic grid at very shallow angles because it looks bad.
// It's normally already faded out by the managed animated fading values at this angle,
// but if it's orbited rapidly, it can end up at this angle faster than the fading has kicked in.
// For these cases hiding it abruptly looks better.
// The popping isn't noticable because the user is orbiting rapidly to begin with.
if (xGrid.fade.target && Mathf.Abs(direction.x) >= k_AngleThresholdForOrthographicGrid)
{
parameters = xGrid.PrepareGridRender(0, gridOpacity);
}
else if (yGrid.fade.target && Mathf.Abs(direction.y) >= k_AngleThresholdForOrthographicGrid)
{
parameters = yGrid.PrepareGridRender(1, gridOpacity);
}
else if (zGrid.fade.target && Mathf.Abs(direction.z) >= k_AngleThresholdForOrthographicGrid)
{
parameters = zGrid.PrepareGridRender(2, gridOpacity);
}
return(parameters);
}
internal DrawGridParameters PrepareGridRender(int gridID, float opacity)
{
DrawGridParameters parameters = default(DrawGridParameters);
parameters.gridID = gridID;
parameters.pivot = pivot;
parameters.color = color;
parameters.color.a = fade.faded * opacity;
parameters.size = size;
return(parameters);
}
DrawGridParameters PrepareGridRenderPerspectiveMode(Camera camera, Vector3 pivot, Quaternion rotation,
float size)
{
DrawGridParameters parameters = default(DrawGridParameters);
switch (gridAxis)
{
case GridRenderAxis.X:
parameters = xGrid.PrepareGridRender(0, gridOpacity);
break;
case GridRenderAxis.Y:
parameters = yGrid.PrepareGridRender(1, gridOpacity);
break;
case GridRenderAxis.Z:
parameters = zGrid.PrepareGridRender(2, gridOpacity);
break;
}
return(parameters);
}
internal static void DrawCameraStep1(Rect position, Camera camera, DrawCameraMode drawMode, DrawGridParameters gridParam)
{
Handles.DrawCameraImpl(position, camera, drawMode, true, gridParam, false);
}
internal static void DrawCameraImpl(Rect position, Camera camera, DrawCameraMode drawMode, bool drawGrid, DrawGridParameters gridParam, bool finish)
{
Event current = Event.current;
if (current.type == EventType.Repaint)
{
if (camera.targetTexture == null)
{
Rect rect = GUIClip.Unclip(position);
camera.pixelRect = new Rect(rect.xMin, (float)Screen.height - rect.yMax, rect.width, rect.height);
}
else
{
camera.rect = new Rect(0f, 0f, 1f, 1f);
}
if (drawMode == DrawCameraMode.Normal)
{
RenderTexture targetTexture = camera.targetTexture;
camera.targetTexture = RenderTexture.active;
camera.Render();
camera.targetTexture = targetTexture;
}
else
{
if (drawGrid)
{
Handles.Internal_DrawCameraWithGrid(camera, (int)drawMode, ref gridParam);
}
else
{
Handles.Internal_DrawCamera(camera, (int)drawMode);
}
if (finish)
{
Handles.Internal_FinishDrawingCamera(camera);
}
}
}
else
{
Handles.Internal_SetCurrentCamera(camera);
}
}
private static extern void Internal_DrawCameraWithGrid(Camera cam, int renderMode, ref DrawGridParameters gridParam);
static extern void Internal_DrawCameraWithGrid(Camera cam, DrawCameraMode renderMode, ref DrawGridParameters gridParam);
static extern void Internal_DrawCameraWithGrid([NotNull("NullExceptionObject")] Camera cam, DrawCameraMode renderMode, ref DrawGridParameters gridParam, bool drawGizmos, bool drawSelection);
internal static void DrawCamera(Rect position, Camera camera, DrawCameraMode drawMode, DrawGridParameters gridParam)
{
DrawCameraImpl(position, camera, drawMode, true, gridParam, true);
}
public static void DrawCamera(Rect position, Camera camera, [DefaultValue("DrawCameraMode.Normal")] DrawCameraMode drawMode)
{
DrawGridParameters gridParam = new DrawGridParameters();
DrawCameraImpl(position, camera, drawMode, false, gridParam, true);
}
internal static void DrawCameraImpl(Rect position, Camera camera, DrawCameraMode drawMode, bool drawGrid, DrawGridParameters gridParam, bool finish)
{
if (Event.current.type == EventType.Repaint)
{
if ((UnityEngine.Object) camera.targetTexture == (UnityEngine.Object) null)
{
Rect pixels = EditorGUIUtility.PointsToPixels(GUIClip.Unclip(position));
camera.pixelRect = new Rect(pixels.xMin, (float) Screen.height - pixels.yMax, pixels.width, pixels.height);
}
else
camera.rect = new Rect(0.0f, 0.0f, 1f, 1f);
if (drawMode == DrawCameraMode.Normal)
{
RenderTexture targetTexture = camera.targetTexture;
camera.targetTexture = RenderTexture.active;
camera.Render();
camera.targetTexture = targetTexture;
}
else
{
if (drawGrid)
Handles.Internal_DrawCameraWithGrid(camera, (int) drawMode, ref gridParam);
else
Handles.Internal_DrawCamera(camera, (int) drawMode);
if (!finish)
return;
Handles.Internal_FinishDrawingCamera(camera);
}
}
else
Handles.Internal_SetCurrentCamera(camera);
}
