示例#1
0
        internal static Quaternion DoRotationHandle(RotationHandleIds ids, Quaternion rotation, Vector3 position, RotationHandleParam param)
        {
            var evt        = Event.current;
            var camForward = Handles.inverseMatrix.MultiplyVector(Camera.current != null ? Camera.current.transform.forward : Vector3.forward);

            var size     = HandleUtility.GetHandleSize(position);
            var temp     = color;
            var isStatic = (!Tools.s_Hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));

            var isHot = ids.Has(GUIUtility.hotControl);

            // Draw freerotation first to give it the lowest priority
            if (!isStatic &&
                param.ShouldShow(RotationHandleParam.Handle.XYZ) &&
                (isHot && ids.xyz == GUIUtility.hotControl || !isHot))
            {
                color    = centerColor;
                rotation = UnityEditorInternal.FreeRotate.Do(ids.xyz, rotation, position, size * param.xyzSize, param.displayXYZCircle);
            }

            var radiusOfAxesHandles = -1f;

            for (var i = 0; i < 3; ++i)
            {
                if (!param.ShouldShow(i))
                {
                    continue;
                }

                var axisColor = GetColorByAxis(i);
                color = isStatic ? Color.Lerp(axisColor, staticColor, staticBlend) : axisColor;
                color = ToActiveColorSpace(color);
                var axisDir = GetAxisVector(i);

                var radius = size * param.axisSize[i];
                radiusOfAxesHandles = Mathf.Max(radius, radiusOfAxesHandles);

                rotation = UnityEditorInternal.Disc.Do(ids[i], rotation, position, rotation * axisDir, radius, true, SnapSettings.rotation, param.enableRayDrag, true, k_RotationPieColor);
            }

            if (radiusOfAxesHandles > 0 && evt.type == EventType.Repaint)
            {
                Handles.color = new Color(0, 0, 0, 0.2f);
                Handles.DrawWireDisc(position, camForward, radiusOfAxesHandles);
            }

            if (isHot && evt.type == EventType.Repaint)
            {
                color = ToActiveColorSpace(s_DisabledHandleColor);
                Handles.DrawWireDisc(position, camForward, size * param.axisSize[0]);
            }

            if (!isStatic &&
                param.ShouldShow(RotationHandleParam.Handle.CameraAxis) &&
                (isHot && ids.cameraAxis == GUIUtility.hotControl || !isHot))
            {
                color    = ToActiveColorSpace(centerColor);
                rotation = UnityEditorInternal.Disc.Do(ids.cameraAxis, rotation, position, camForward, size * param.cameraAxisSize, false, 0, param.enableRayDrag, true, k_RotationPieColor);
            }

            color = temp;
            return(rotation);
        }
 public TransformHandleIds(PositionHandleIds position, RotationHandleIds rotation, ScaleHandleIds scale)
 {
     this.position = position;
     this.rotation = rotation;
     this.scale    = scale;
 }