public void OnSceneGUI()
{
if (addMode || deleteMode || paintMode)
{
//Debug.Log ("ColoredCubesVolumeEditor.OnSceneGUI()");
Event e = Event.current;
Ray ray = Camera.current.ScreenPointToRay(new Vector3(e.mousePosition.x, -e.mousePosition.y + Camera.current.pixelHeight));
if (((e.type == EventType.MouseDown) || (e.type == EventType.MouseDrag)) && (e.button == 0))
{
// Perform the raycasting. If there's a hit the position will be stored in these ints.
PickVoxelResult pickResult;
if (addMode)
{
bool hit = Picking.PickLastEmptyVoxel(coloredCubesVolume, ray, 1000.0f, out pickResult);
if (hit)
{
coloredCubesVolume.data.SetVoxel(pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, (QuantizedColor)paintColor);
}
}
else if (deleteMode)
{
bool hit = Picking.PickFirstSolidVoxel(coloredCubesVolume, ray, 1000.0f, out pickResult);
if (hit)
{
coloredCubesVolume.data.SetVoxel(pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, new QuantizedColor(0, 0, 0, 0));
}
}
else if (paintMode)
{
bool hit = Picking.PickFirstSolidVoxel(coloredCubesVolume, ray, 1000.0f, out pickResult);
if (hit)
{
coloredCubesVolume.data.SetVoxel(pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, (QuantizedColor)paintColor);
}
}
Selection.activeGameObject = coloredCubesVolume.gameObject;
// Need to force an update, otherwise there is noticable lag when painting voxels.
coloredCubesVolume.ForceUpdate();
}
else if (e.type == EventType.Layout)
{
// See: http://answers.unity3d.com/questions/303248/how-to-paint-objects-in-the-editor.html
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(GetHashCode(), FocusType.Passive));
}
}
}
public void OnSceneGUI()
{
// We use these 'Handles' functions to allow us to embed OnGUI() code into OnSceneGUI().
// See http://answers.unity3d.com/questions/26669/using-editorguilayout-controls-in-onscenegui.html
Handles.BeginGUI();
terrainVolume.OnGUI();
Handles.EndGUI();
// If we don't have a renderer then there's no terrain being
// displayed, and so not much we can do in this function.
TerrainVolumeRenderer terrainVolumeRenderer = terrainVolume.GetComponent <TerrainVolumeRenderer>();
if (terrainVolumeRenderer == null)
{
return;
}
// By default we disable the brush marker, and only turn it on if we later find a hit.
Material material = terrainVolumeRenderer.material;
List <string> keywords = new List <string> {
"BRUSH_MARKER_OFF"
};
if (sculptPressed || smoothPressed || paintPressed)
{
Event e = Event.current;
Ray ray = Camera.current.ScreenPointToRay(new Vector3(e.mousePosition.x, -e.mousePosition.y + Camera.current.pixelHeight));
// Perform the raycasting.
PickSurfaceResult pickResult;
bool hit = Picking.PickSurface(terrainVolume, ray.origin, ray.direction, 1000.0f, out pickResult);
if (hit)
{
//Debug.Log("Hit");
// Selected brush is in the range 0 to NoOfBrushes - 1. Convert this to a 0 to 1 range.
float brushInnerScaleFactor = (float)selectedBrush / ((float)(NoOfBrushes - 1));
// Use this value to compute the inner radius as a proportion of the outer radius.
float brushInnerRadius = brushOuterRadius * brushInnerScaleFactor;
if (material != null)
{
keywords = new List <string> {
"BRUSH_MARKER_ON"
};
material.SetVector("BrushCenter", pickResult.volumeSpacePos);
material.SetVector("BrushSettings", new Vector4(brushInnerRadius, brushOuterRadius, brushOpacity, 0.0f));
material.SetVector("BrushColor", new Vector4(0.0f, 0.5f, 1.0f, 1.0f));
}
if (((e.type == EventType.MouseDown) || (e.type == EventType.MouseDrag)) && (e.button == 0))
{
if (sculptPressed)
{
float multiplier = 1.0f;
if (e.modifiers == EventModifiers.Shift)
{
multiplier = -1.0f;
}
TerrainVolumeEditor.SculptTerrainVolume(terrainVolume, pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, brushInnerRadius, brushOuterRadius, brushOpacity * multiplier);
}
else if (smoothPressed)
{
TerrainVolumeEditor.BlurTerrainVolume(terrainVolume, pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, brushInnerRadius, brushOuterRadius, brushOpacity);
}
else if (paintPressed)
{
TerrainVolumeEditor.PaintTerrainVolume(terrainVolume, pickResult.volumeSpacePos.x, pickResult.volumeSpacePos.y, pickResult.volumeSpacePos.z, brushInnerRadius, brushOuterRadius, brushOpacity, (uint)selectedTexture);
}
}
// Forcing the update seems to be requireded in Unity 5, whereas in Unity 4 it seems to happen automatically
// later as a result of assigning the shader keywords. Seems best to manually call it just in case.
terrainVolume.ForceUpdate();
}
if (e.type == EventType.Layout)
{
// See: http://answers.unity3d.com/questions/303248/how-to-paint-objects-in-the-editor.html
HandleUtility.AddDefaultControl(GUIUtility.GetControlID(GetHashCode(), FocusType.Passive));
}
// We need to repaint so that the brush marker follows the mouse even when a mouse button is not pressed.
HandleUtility.Repaint();
}
if (material != null)
{
material.shaderKeywords = keywords.ToArray();
}
}