Topics

1

Support / Custom renderer for tiles

« on: September 21, 2017, 04:22:31 pm »

Hi,

Let me first describe what I am trying to do, in case I'm just barking up the wrong tree.  I am working on an isometric game, and have thus far created a tilemap with two layers - one containing ground tiles (so far just the same grass tile) and one containing things like trees and bushes.  It occurs to me that this may already be wrong - perhaps I should be placing that landscape "furniture" as independent sprites instead of as tilemap elements?

Anyway, I now have the problem that any isometric game has - how to handle occlusion of animated characters as they move around things like trees.  I googled around looking for solutions, but the most common one - splitting sprites into a top half and a bottom half, and then making sure that animated characters can't walk paths that would spoil this illusion - seems unsatisfactory, and it would require me to start messing about with paint programs, and that would just end in tears...      Eventually, I found a Unity package that implements a shader-based sprite renderer that supports per-pixel draw order, amongst some other nice stuff like 3D-style lighting.  This is the product: https://forum.unity.com/threads/shiva-2-5d-isometric-engine.486274/

So, I *think* all I need to do is change my tk2d sprites to use this renderer instead of the standard SpriteRenderer, but I can't find a place to do that in SpriteCollection.  Do you think I will be able to integrate this thing with tk2d?

Thanks!

2

Support / Can't get world ray to identify tile

« on: September 16, 2017, 10:28:36 pm »

I am using a Tilemap and right now I have no real use for colliders so I want to avoid them.  However, I do need to respond to mouse clicks on the map.  I came across this post: http://2dtoolkit.com/forum/index.php/topic,2304.msg11501.html

In there is this advice:

Don't use colliders. Get the intersection of the cursor / touch ray and tilemap plane
      Plane p = new Plane(tileMap.transform.forward, tileMap.transform.position);
      Ray r = HandleUtility.GUIPointToWorldRay(Event.current.mousePosition);
float hitD = 0;
if (p.Raycast(r, out hidD)) {
  Vector3 hitPoint = r.GetPoint(hitD);
}

When I try to do this, I get this error:

Unable to convert GUI point to world ray if a camera has not been set up!

I have tried this with a tk2dCamera in the scene, a regular Unity Camera in the scene, and with both, and I always get this error.  Any suggestions?

Thanks,
Wayne

3

Support / Can't select Sprite animation

« on: September 12, 2017, 08:09:05 pm »

I am using 2D Toolkit 2.5.6 with Unity 2017.1.1f1.  I am completely new to tk2d, and no great shakes with Unity either, so I may well have done something stupid. 

I have imported a sprite sheet image into a tk2d Sprite Collection, and I can see that it has isolated the individual sprites correctly into their own images.

I have created a Sprite Animation that refers to this collection.  I asked tk2d to fill the clip with the "Autofill 1.9" button, which it did correctly.  I can click the "Play" button and see my sprite animating as I expect in the Sprite Animation editor.

So now I add a sprite with GameObject -> Create Other -> tk2d -> Sprite with Animator.  That lets me select my Sprite Collection, and it then auto-selects the first image as "Sprite", and that image is displayed underneath, exactly as expected.  However, when I try to change the "Anim Lib" in the "Tk 2d Sprite Animator" section, I see my SpriteAnimation in the drop down box, but when I try to select it, it just silently reverts to the default (first) one.  At the same time, I get this error logged in the console:

NullReferenceException: Object reference not set to an instance of an object
tk2dSpriteAnimatorEditor.OnInspectorGUI() (at Assets/TK2DROOT/tk2d/Editor/Sprites/tk2dSpriteAnimatorEditor.cs:91)

The line of code in question is this:

        if (animator.Library.clips.Length > 0)

Can you help me to understand what the problem is, or how I can find out more about what's going on?