protected override void DrawCollisionEditor (GraphCollision collision) {
base.DrawCollisionEditor(collision);
if (collision.thickRaycast) {
EditorGUILayout.HelpBox ("Note: Thick raycast cannot be used with this graph type", MessageType.Error);
}
}
protected virtual void DrawUse2DPhysics (GraphCollision collision) {
collision.use2D = EditorGUILayout.Toggle (new GUIContent ("Use 2D Physics", "Use the Physics2D API for collision checking"), collision.use2D );
}
/** Draws the inspector for a \link Pathfinding.GraphCollision GraphCollision class \endlink */
protected virtual void DrawCollisionEditor (GraphCollision collision) {
collision = collision ?? new GraphCollision ();
DrawUse2DPhysics (collision);
collision.collisionCheck = ToggleGroup ("Collision testing",collision.collisionCheck);
EditorGUI.BeginDisabledGroup(!collision.collisionCheck);
collision.type = (ColliderType)EditorGUILayout.EnumPopup("Collider type",collision.type);
EditorGUI.BeginDisabledGroup(collision.type != ColliderType.Capsule && collision.type != ColliderType.Sphere);
collision.diameter = EditorGUILayout.FloatField (new GUIContent ("Diameter","Diameter of the capsule or sphere. 1 equals one node width"),collision.diameter);
EditorGUI.EndDisabledGroup();
EditorGUI.BeginDisabledGroup(collision.type != ColliderType.Capsule && collision.type != ColliderType.Ray);
collision.height = EditorGUILayout.FloatField (new GUIContent ("Height/Length","Height of cylinder or length of ray in world units"),collision.height);
EditorGUI.EndDisabledGroup();
collision.collisionOffset = EditorGUILayout.FloatField (new GUIContent("Offset","Offset upwards from the node. Can be used so that obstacles can be used as ground and at the same time as obstacles for lower positioned nodes"),collision.collisionOffset);
collision.mask = EditorGUILayoutx.LayerMaskField ("Mask",collision.mask);
EditorGUI.EndDisabledGroup();
GUILayout.Space (2);
EditorGUI.BeginDisabledGroup(collision.use2D);
collision.heightCheck = ToggleGroup ("Height testing",collision.heightCheck);
EditorGUI.BeginDisabledGroup(!collision.heightCheck);
collision.fromHeight = EditorGUILayout.FloatField (new GUIContent ("Ray length","The height from which to check for ground"),collision.fromHeight);
collision.heightMask = EditorGUILayoutx.LayerMaskField ("Mask",collision.heightMask);
collision.thickRaycast = EditorGUILayout.Toggle (new GUIContent ("Thick Raycast", "Use a thick line instead of a thin line"),collision.thickRaycast);
if (collision.thickRaycast) {
EditorGUI.indentLevel++;
collision.thickRaycastDiameter = EditorGUILayout.FloatField (new GUIContent ("Diameter","Diameter of the thick raycast"),collision.thickRaycastDiameter);
EditorGUI.indentLevel--;
}
collision.unwalkableWhenNoGround = EditorGUILayout.Toggle (new GUIContent ("Unwalkable when no ground","Make nodes unwalkable when no ground was found with the height raycast. If height raycast is turned off, this doesn't affect anything"), collision.unwalkableWhenNoGround);
EditorGUI.EndDisabledGroup();
EditorGUI.EndDisabledGroup();
}
public override void ScanInternal (OnScanStatus statusCallback) {
AstarPath.OnPostScan += new OnScanDelegate (OnPostScan);
if (nodeSize <= 0) {
return;
}
// Make sure the matrix is up to date
GenerateMatrix ();
if (width > 1024 || depth > 1024) {
Debug.LogError ("One of the grid's sides is longer than 1024 nodes");
return;
}
#if !ASTAR_JPS
if (this.useJumpPointSearch) {
Debug.LogError ("Trying to use Jump Point Search, but support for it is not enabled. Please enable it in the inspector (Grid Graph settings).");
}
#endif
SetUpOffsetsAndCosts ();
// Get the graph index of this graph
int graphIndex = AstarPath.active.astarData.GetGraphIndex(this);
// Set a global reference to this graph so that nodes can find it
GridNode.SetGridGraph (graphIndex,this);
// Create all nodes
nodes = new GridNode[width*depth];
for (int i=0;i<nodes.Length;i++) {
nodes[i] = new GridNode(active);
nodes[i].GraphIndex = (uint)graphIndex;
}
// Create and initialize the collision class
if (collision == null) {
collision = new GraphCollision ();
}
collision.Initialize (matrix,nodeSize);
textureData.Initialize ();
for (int z = 0; z < depth; z ++) {
for (int x = 0; x < width; x++) {
var node = nodes[z*width+x];
node.NodeInGridIndex = z*width+x;
// Updates the position of the node
// and a bunch of other things
UpdateNodePositionCollision (node,x,z);
// Apply texture data if necessary
textureData.Apply (node,x,z);
}
}
for (int z = 0; z < depth; z ++) {
for (int x = 0; x < width; x++) {
var node = nodes[z*width+x];
// Recalculate connections to other nodes
CalculateConnections (nodes,x,z,node);
}
}
// Apply erosion
ErodeWalkableArea ();
}
public GridGraph () {
unclampedSize = new Vector2 (10,10);
nodeSize = 1F;
collision = new GraphCollision ();
}
protected override void DrawUse2DPhysics (GraphCollision collision) {
// 2D physics does not make sense for a layered grid graph
collision.use2D = false;
}