/// <summary>
/// Draws gizmos and text
/// </summary>
/// <param name="mmGizmo"></param>
private static void DrawGizmos(MMGizmo mmGizmo)
{
if (!mmGizmo.Initialized)
{
Initialization(mmGizmo);
}
if (TestDistance(mmGizmo, mmGizmo.ViewDistance))
{
Gizmos.color = mmGizmo.GizmoColor;
Gizmos.matrix = mmGizmo.transform.localToWorldMatrix;
switch (mmGizmo.GizmoType)
{
case MMGizmo.GizmoTypes.Collider:
DrawColliderGizmo(mmGizmo);
break;
case MMGizmo.GizmoTypes.Position:
DrawPositionGizmo(mmGizmo);
break;
}
}
DrawText(mmGizmo);
}
/// <summary>
/// Initializes the gizmo, caching components, values, and inits the GUIStyle
/// </summary>
/// <param name="mmGizmo"></param>
private static void Initialization(MMGizmo mmGizmo)
{
mmGizmo._sphereCollider = mmGizmo.gameObject.GetComponent <SphereCollider>();
mmGizmo._boxCollider = mmGizmo.gameObject.GetComponent <BoxCollider>();
mmGizmo._meshCollider = mmGizmo.gameObject.GetComponent <MeshCollider>();
mmGizmo._circleCollider2D = mmGizmo.gameObject.GetComponent <CircleCollider2D>();
mmGizmo._boxCollider2D = mmGizmo.gameObject.GetComponent <BoxCollider2D>();
mmGizmo._sphereColliderNotNull = (mmGizmo._sphereCollider != null);
mmGizmo._boxColliderNotNull = (mmGizmo._boxCollider != null);
mmGizmo._meshColliderNotNull = (mmGizmo._meshCollider != null);
mmGizmo._circleCollider2DNotNull = (mmGizmo._circleCollider2D != null);
mmGizmo._boxCollider2DNotNull = (mmGizmo._boxCollider2D != null);
mmGizmo._vector3Zero = Vector3.zero;
mmGizmo._textureRect = new Rect(0f, 0f, mmGizmo.TextureSize.x, mmGizmo.TextureSize.y);
mmGizmo._positionTextureNotNull = (mmGizmo.PositionTexture != null);
mmGizmo._textGUIStyle = new GUIStyle();
mmGizmo._textGUIStyle.normal.textColor = mmGizmo.TextColor;
mmGizmo._textGUIStyle.fontSize = mmGizmo.TextSize;
mmGizmo._textGUIStyle.fontStyle = mmGizmo.TextFontStyle;
mmGizmo._textGUIStyle.padding = new RectOffset((int)mmGizmo.TextPadding.x, (int)mmGizmo.TextPadding.y, (int)mmGizmo.TextPadding.z, (int)mmGizmo.TextPadding.w);
mmGizmo._textGUIStyle.normal.background = MMGUI.MakeTex(600, 100, mmGizmo.TextBackgroundColor);
mmGizmo.Initialized = true;
}
private static void DrawGizmoSelected(MMGizmo mmGizmo, GizmoType gizmoType)
{
if (!mmGizmo.DisplayGizmo)
{
return;
}
DrawGizmos(mmGizmo);
}
private static void DrawGizmoNonSelected(MMGizmo mmGizmo, GizmoType gizmoType)
{
if (!mmGizmo.DisplayGizmo)
{
return;
}
if (mmGizmo.DisplayMode != MMGizmo.DisplayModes.Always)
{
return;
}
DrawGizmos(mmGizmo);
}
/// <summary>
/// Tests whether or not gizmos should be drawn based on distance to the scene camera
/// </summary>
/// <param name="mmGizmo"></param>
/// <param name="viewDistance"></param>
/// <returns></returns>
private static bool TestDistance(MMGizmo mmGizmo, float viewDistance)
{
float distanceToCamera = 0f;
if (SceneView.currentDrawingSceneView == null)
{
distanceToCamera = Vector3.Distance(mmGizmo.transform.position, Camera.main.transform.position);
return(distanceToCamera < viewDistance);
}
else
{
distanceToCamera = Vector3.Distance(mmGizmo.transform.position, SceneView.currentDrawingSceneView.camera.transform.position);
return(distanceToCamera < viewDistance);
}
}
/// <summary>
/// Draws our gizmo text
/// </summary>
/// <param name="mmGizmo"></param>
private static void DrawText(MMGizmo mmGizmo)
{
if (!mmGizmo.DisplayText)
{
return;
}
if (!TestDistance(mmGizmo, mmGizmo.TextMaxDistance))
{
return;
}
switch (mmGizmo.TextMode)
{
case MMGizmo.TextModes.GameObjectName:
mmGizmo._textToDisplay = mmGizmo.gameObject.name;
break;
case MMGizmo.TextModes.CustomText:
mmGizmo._textToDisplay = mmGizmo.TextToDisplay;
break;
case MMGizmo.TextModes.Position:
mmGizmo._textToDisplay = mmGizmo.transform.position.ToString();
break;
case MMGizmo.TextModes.Rotation:
mmGizmo._textToDisplay = mmGizmo.transform.rotation.ToString();
break;
case MMGizmo.TextModes.Scale:
mmGizmo._textToDisplay = mmGizmo.transform.localScale.ToString();
break;
case MMGizmo.TextModes.Property:
if (mmGizmo.TargetProperty.PropertyFound)
{
mmGizmo._textToDisplay = mmGizmo.TargetProperty.GetRawValue().ToString();
}
break;
}
if (mmGizmo._textToDisplay != "")
{
Handles.Label(mmGizmo.transform.position + mmGizmo.TextOffset, mmGizmo._textToDisplay, mmGizmo._textGUIStyle);
}
}
/// <summary>
/// Computes the position at which to draw the gizmo
/// </summary>
/// <param name="mmGizmo"></param>
/// <param name="position"></param>
/// <param name="relativeLock"></param>
/// <returns></returns>
private static Vector3 ComputeGizmoPosition(MMGizmo mmGizmo, Vector3 position, bool relativeLock = true)
{
mmGizmo._newPosition = position + mmGizmo.GizmoOffset;
if (mmGizmo.LockX || mmGizmo.LockY || mmGizmo.LockZ)
{
Vector3 mmGizmoNewPosition = mmGizmo._newPosition;
if (mmGizmo.LockX)
{
mmGizmoNewPosition.x = relativeLock ? -mmGizmo.transform.position.x + mmGizmo.LockedX : mmGizmo.LockedX;
}
if (mmGizmo.LockY)
{
mmGizmoNewPosition.y = relativeLock ? -mmGizmo.transform.position.y + mmGizmo.LockedY : mmGizmo.LockedY;
}
if (mmGizmo.LockZ)
{
mmGizmoNewPosition.z = relativeLock ? -mmGizmo.transform.position.z + mmGizmo.LockedZ : mmGizmo.LockedZ;
}
mmGizmo._newPosition = mmGizmoNewPosition;
}
return(mmGizmo._newPosition);
}
/// <summary>
/// Draws a position gizmo
/// </summary>
/// <param name="mmGizmo"></param>
private static void DrawPositionGizmo(MMGizmo mmGizmo)
{
switch (mmGizmo.PositionMode)
{
case MMGizmo.PositionModes.Point:
MMDebug.DrawGizmoPoint(ComputeGizmoPosition(mmGizmo, mmGizmo._vector3Zero), mmGizmo.GizmoColor, mmGizmo.PositionSize);
break;
case MMGizmo.PositionModes.Cube:
Gizmos.DrawCube(ComputeGizmoPosition(mmGizmo, mmGizmo._vector3Zero), Vector3.one * mmGizmo.PositionSize);
break;
case MMGizmo.PositionModes.Sphere:
Gizmos.DrawSphere(ComputeGizmoPosition(mmGizmo, mmGizmo._vector3Zero), mmGizmo.PositionSize);
break;
case MMGizmo.PositionModes.WireCube:
Gizmos.DrawWireCube(ComputeGizmoPosition(mmGizmo, mmGizmo._vector3Zero), Vector3.one * mmGizmo.PositionSize);
break;
case MMGizmo.PositionModes.WireSphere:
Gizmos.DrawWireSphere(ComputeGizmoPosition(mmGizmo, mmGizmo._vector3Zero), mmGizmo.PositionSize);
break;
case MMGizmo.PositionModes.Texture:
if (mmGizmo._positionTextureNotNull)
{
Handles.BeginGUI();
mmGizmo._worldToGUIPosition = HandleUtility.WorldToGUIPoint(ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false));
mmGizmo._textureRect = new Rect(mmGizmo._worldToGUIPosition.x - mmGizmo.TextureSize.x / 2f, mmGizmo._worldToGUIPosition.y - mmGizmo.TextureSize.y / 2f, mmGizmo.TextureSize.x, mmGizmo.TextureSize.y);
GUI.Label(mmGizmo._textureRect, mmGizmo.PositionTexture);
Handles.EndGUI();
}
break;
case MMGizmo.PositionModes.Arrows:
Handles.color = Handles.xAxisColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.right, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
Handles.color = Handles.yAxisColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.up, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
Handles.color = Handles.zAxisColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.forward, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
break;
case MMGizmo.PositionModes.RightArrow:
Handles.color = mmGizmo.GizmoColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.right, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
break;
case MMGizmo.PositionModes.UpArrow:
Handles.color = mmGizmo.GizmoColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.up, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
break;
case MMGizmo.PositionModes.ForwardArrow:
Handles.color = mmGizmo.GizmoColor;
Handles.ArrowHandleCap(0, ComputeGizmoPosition(mmGizmo, mmGizmo.transform.position, false),
Quaternion.LookRotation(mmGizmo.transform.forward, mmGizmo.transform.up), mmGizmo.PositionSize, EventType.Repaint);
break;
}
}
/// <summary>
/// Draws a gizmo for the associated collider
/// </summary>
/// <param name="mmGizmo"></param>
private static void DrawColliderGizmo(MMGizmo mmGizmo)
{
if (mmGizmo._sphereColliderNotNull)
{
if (mmGizmo.ColliderRenderType == MMGizmo.ColliderRenderTypes.Full)
{
Gizmos.DrawSphere(ComputeGizmoPosition(mmGizmo, mmGizmo._sphereCollider.center), mmGizmo._sphereCollider.radius);
}
else
{
Gizmos.DrawWireSphere(ComputeGizmoPosition(mmGizmo, mmGizmo._sphereCollider.center), mmGizmo._sphereCollider.radius);
}
}
if (mmGizmo._boxColliderNotNull)
{
if (mmGizmo.ColliderRenderType == MMGizmo.ColliderRenderTypes.Full)
{
Gizmos.DrawCube(ComputeGizmoPosition(mmGizmo, mmGizmo._boxCollider.center), mmGizmo._boxCollider.size);
}
else
{
Gizmos.DrawWireCube(ComputeGizmoPosition(mmGizmo, mmGizmo._boxCollider.center), mmGizmo._boxCollider.size);
}
}
if (mmGizmo._circleCollider2DNotNull)
{
if (mmGizmo.ColliderRenderType == MMGizmo.ColliderRenderTypes.Full)
{
Gizmos.DrawSphere((Vector3)ComputeGizmoPosition(mmGizmo, mmGizmo._circleCollider2D.offset), mmGizmo._circleCollider2D.radius);
}
else
{
Gizmos.DrawWireSphere((Vector3)ComputeGizmoPosition(mmGizmo, mmGizmo._circleCollider2D.offset), mmGizmo._circleCollider2D.radius);
}
}
if (mmGizmo._boxCollider2DNotNull)
{
Vector3 gizmoSize = new Vector3();
gizmoSize.x = mmGizmo._boxCollider2D.size.x;
gizmoSize.y = mmGizmo._boxCollider2D.size.y;
gizmoSize.z = 0.1f;
if (mmGizmo.ColliderRenderType == MMGizmo.ColliderRenderTypes.Full)
{
Gizmos.DrawCube(ComputeGizmoPosition(mmGizmo, mmGizmo._boxCollider2D.offset), gizmoSize);
}
else
{
Gizmos.DrawWireCube(ComputeGizmoPosition(mmGizmo, mmGizmo._boxCollider2D.offset), gizmoSize);
}
}
if (mmGizmo._meshColliderNotNull)
{
if (mmGizmo.ColliderRenderType == MMGizmo.ColliderRenderTypes.Full)
{
Gizmos.DrawMesh(mmGizmo._meshCollider.sharedMesh);
}
else
{
Gizmos.DrawWireMesh(mmGizmo._meshCollider.sharedMesh);
}
}
}
