public void ModeChanged(PrefabPainter.Mode mode)
{
if (mode == PrefabPainter.Mode.Brush)
{
brushDistribution.CreatePreviewPrefab();
}
else
{
brushDistribution.DestroyPreviewPrefab();
}
}
private void DrawBrush(PrefabPainter.Mode mode, BrushSettings brushSettings, Vector3 position, Vector3 normal, float radius, BrushMode brushMode)
{
// set default colors
Color innerColor = GUIStyles.BrushNoneInnerColor;
Color outerColor = GUIStyles.BrushNoneOuterColor;
// set colors depending on brush mode
switch (brushMode)
{
case BrushMode.None:
innerColor = GUIStyles.BrushNoneInnerColor;
outerColor = GUIStyles.BrushNoneOuterColor;
break;
case BrushMode.ShiftKey:
case BrushMode.ShiftPressed:
case BrushMode.ShiftDrag:
innerColor = GUIStyles.BrushAddInnerColor;
outerColor = GUIStyles.BrushAddOuterColor;
break;
case BrushMode.ShiftCtrlKey:
case BrushMode.ShiftCtrlPressed:
case BrushMode.ShiftCtrlDrag:
innerColor = GUIStyles.BrushRemoveInnerColor;
outerColor = GUIStyles.BrushRemoveOuterColor;
break;
}
switch (mode)
{
case PrefabPainter.Mode.Brush:
DrawPaintBrush(brushSettings, position, normal, radius, innerColor, outerColor, brushMode);
break;
case PrefabPainter.Mode.Interaction:
DrawInteractionBrush(brushSettings, position, normal, radius, innerColor, outerColor);
break;
case PrefabPainter.Mode.Spline:
case PrefabPainter.Mode.Container:
default:
Debug.LogError($"Not supported $mode");
break;
}
}
public void ModeChanged(PrefabPainter.Mode mode)
{
}
public bool DrawBrush(PrefabPainter.Mode mode, BrushSettings brushSettings, out BrushMode brushMode, out RaycastHit mouseHit)
{
brushMode = BrushMode.None;
mouseHit = new RaycastHit();
float radius = brushSettings.brushSize / 2f;
Ray ray = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
// create layer mask without ignore raycast on which the preview gameobject is
LayerMask layerMask = LayerUtils.GetPreviewLayerMask(brushSettings.layerMask);
if (Physics.Raycast(ray.origin, ray.direction, out RaycastHit hit, Mathf.Infinity, layerMask))
{
mouseHit = hit;
///
/// process mouse events
///
// brush size & rotation: control key pressed
if (Event.current.control)
{
// mouse wheel up/down changes the radius
if (Event.current.type == EventType.ScrollWheel)
{
// ctrl + shift + scroll = brush rotation
if (Event.current.shift)
{
int rotationStepSize = 10;
int rotationMin = 0; // TODO: find out of to get that from Range
int rotationMax = 360; // TODO: find out of to get that from Range
// scroll up
if (Event.current.delta.y > 0)
{
brushSettings.brushRotation += rotationStepSize;
if (brushSettings.brushRotation > rotationMax)
{
brushSettings.brushRotation = rotationMin + rotationStepSize;
}
Event.current.Use();
}
// scroll down
else if (Event.current.delta.y < 0)
{
brushSettings.brushRotation -= rotationStepSize;
if (brushSettings.brushRotation < rotationMin)
{
brushSettings.brushRotation = rotationMax - rotationStepSize;
}
Event.current.Use();
}
}
// ctrl + scroll = brush size
else
{
// scroll up
if (Event.current.delta.y > 0)
{
brushSettings.brushSize++;
Event.current.Use();
}
// scroll down
else if (Event.current.delta.y < 0)
{
brushSettings.brushSize--;
// TODO: slider
if (brushSettings.brushSize < 1)
{
brushSettings.brushSize = 1;
}
Event.current.Use();
}
}
}
}
// default: nothing pressed
brushMode = BrushMode.None;
// mouse pressed state: unity editor acts only on events, so we need to keep track of the click state
if (Event.current.isMouse && Event.current.button == 0)
{
if (Event.current.type == EventType.MouseDown)
{
mousePressed = true;
}
else if (Event.current.type == EventType.MouseUp || Event.current.type == EventType.MouseLeaveWindow)
{
mousePressed = false;
}
}
// keyboard only case
if (Event.current.shift)
{
brushMode = BrushMode.ShiftKey;
if (Event.current.control)
{
brushMode = BrushMode.ShiftCtrlKey;
}
}
// check if mouse button is being pressed without dragging;
if (mousePressed)
{
if (Event.current.shift)
{
brushMode = BrushMode.ShiftPressed;
if (Event.current.control)
{
brushMode = BrushMode.ShiftCtrlPressed;
}
}
}
// keyboard + mouse case
if (Event.current.isMouse)
{
// left button = 0; right = 1; middle = 2
if (Event.current.button == 0)
{
// drag case
if (Event.current.type == EventType.MouseDown || Event.current.type == EventType.MouseDrag)
{
if (Event.current.shift)
{
brushMode = BrushMode.ShiftDrag;
if (Event.current.control)
{
brushMode = BrushMode.ShiftCtrlDrag;
}
}
}
}
}
// draw brush gizmo
if (Event.current.type == EventType.Repaint)
{
DrawBrush(mode, brushSettings, hit.point, hit.normal, radius, brushMode);
}
}
return(brushMode != BrushMode.None);
}
