[cocos2d-objc] Added IK example. Also added SkeletonAnimation preUpdateWorldTransformListener and postUpdateWorldTransformsListener which allow modifying a skeleton pre- and post-calculation of the world transformations. See #1532.

CHANGELOG.md

@@ -53,9 +53,12 @@
 
 ### Cocos2d-Objc
 * Added mix-and-match example to demonstrate the new Skin API.
+* Added `IKExample`.
+* Added `SkeletonAnimation preUpdateWorldTransformsListener` and `SkeletonAnimation postUpdateWorldTransformsListener`. When set, these callbacks will be invokved before and after the skeleton's `updateWorldTransforms()` method is called. See the `IKExample` how it can be used.
 
 ### SFML
 * Added mix-and-match example to demonstrate the new Skin API.
+* Added `IKExample`.
 
 ## C++
 * **Breaking Changes**
@@ -88,6 +91,7 @@
 * Updated to cocos2d-x 3.17.1
 * Added mix-and-match example to demonstrate the new Skin API.
 * Exmaple project requires Visual Studio 2019 on Windows
+* Added `IKExample`.
 * Added `SkeletonAnimation::setPreUpdateWorldTransformsListener()` and `SkeletonAnimation::setPreUpdateWorldTransformsListener()`. When set, these callbacks will be invokved before and after the skeleton's `updateWorldTransforms()` method is called. See the `IKExample` how it can be used.
 
 ### SFML

examples/export/runtimes.sh

@@ -64,7 +64,7 @@ cp -f ../raptor/export/raptor-pro.json "$ROOT/spine-cocos2d-objc/Resources/"
 cp -f ../raptor/export/raptor.atlas "$ROOT/spine-cocos2d-objc/Resources/"
 cp -f ../raptor/export/raptor.png "$ROOT/spine-cocos2d-objc/Resources/"
 
-cp -f ../spineboy/export/spineboy-ess.json "$ROOT/spine-cocos2d-objc/Resources/"
+cp -f ../spineboy/export/spineboy-pro.json "$ROOT/spine-cocos2d-objc/Resources/"
 cp -f ../spineboy/export/spineboy.atlas "$ROOT/spine-cocos2d-objc/Resources/"
 cp -f ../spineboy/export/spineboy.png "$ROOT/spine-cocos2d-objc/Resources/"
 

spine-cocos2d-objc/Resources-ios/AppDelegate.m

@@ -1,7 +1,7 @@
 
 #import "cocos2d.h"
 #import "AppDelegate.h"
-#import "SpineboyExample.h"
+#import "IKExample.h"
 
 @implementation AppController
 
@@ -24,7 +24,7 @@
   			CCSetupShowDebugStats: @YES,
 		}];
     
-    [[CCDirector sharedDirector] runWithScene:[SpineboyExample scene]];
+    [[CCDirector sharedDirector] runWithScene:[IKExample scene]];
     
     return YES;
 }

spine-cocos2d-objc/Resources-ios/Info.plist

@@ -49,6 +49,8 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>
 		<string>UIInterfaceOrientationLandscapeLeft</string>

spine-cocos2d-objc/Resources/spineboy-ess.json

@@ -1,1557 +0,0 @@
-{
-"skeleton": {
-	"hash": "MOhkPvw8nLOrjuLm/U98aFMannI",
-	"spine": "3.8.55",
-	"x": -221.27,
-	"y": -8.57,
-	"width": 470.72,
-	"height": 731.57,
-	"images": "./images/",
-	"audio": ""
-},
-"bones": [
-	{ "name": "root" },
-	{ "name": "hip", "parent": "root", "y": 247.47 },
-	{
-		"name": "torso",
-		"parent": "hip",
-		"length": 127.56,
-		"rotation": 103.82,
-		"x": -1.62,
-		"y": 4.9,
-		"color": "e0da19ff"
-	},
-	{
-		"name": "front-upper-arm",
-		"parent": "torso",
-		"length": 69.45,
-		"rotation": 168.38,
-		"x": 103.76,
-		"y": 19.33,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "front-bracer",
-		"parent": "front-upper-arm",
-		"length": 40.57,
-		"rotation": 18.3,
-		"x": 68.8,
-		"y": -0.68,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "front-fist",
-		"parent": "front-bracer",
-		"length": 65.39,
-		"rotation": 12.43,
-		"x": 40.57,
-		"y": 0.2,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "front-thigh",
-		"parent": "hip",
-		"length": 74.81,
-		"rotation": -95.51,
-		"x": -17.46,
-		"y": -11.64,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "front-shin",
-		"parent": "front-thigh",
-		"length": 128.77,
-		"rotation": -2.21,
-		"x": 78.69,
-		"y": 1.6,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "front-foot",
-		"parent": "front-shin",
-		"length": 91.34,
-		"rotation": 77.91,
-		"x": 128.76,
-		"y": -0.34,
-		"color": "00ff04ff"
-	},
-	{
-		"name": "rear-upper-arm",
-		"parent": "torso",
-		"length": 51.94,
-		"rotation": -169.56,
-		"x": 92.36,
-		"y": -19.22,
-		"color": "ff000dff"
-	},
-	{ "name": "rear-bracer", "parent": "rear-upper-arm", "length": 34.56, "rotation": 23.15, "x": 51.36, "color": "ff000dff" },
-	{
-		"name": "gun",
-		"parent": "rear-bracer",
-		"length": 43.11,
-		"rotation": 5.35,
-		"x": 34.42,
-		"y": -0.45,
-		"color": "ff000dff"
-	},
-	{ "name": "gun-tip", "parent": "gun", "rotation": 6.83, "x": 201.05, "y": 52.14, "color": "ff000dff" },
-	{
-		"name": "neck",
-		"parent": "torso",
-		"length": 25.45,
-		"rotation": -31.54,
-		"x": 127.5,
-		"y": -0.31,
-		"color": "e0da19ff"
-	},
-	{
-		"name": "head",
-		"parent": "neck",
-		"length": 263.58,
-		"rotation": 23.18,
-		"x": 27.66,
-		"y": -0.26,
-		"color": "e0da19ff"
-	},
-	{
-		"name": "rear-thigh",
-		"parent": "hip",
-		"length": 85.72,
-		"rotation": -72.54,
-		"x": 8.91,
-		"y": -5.63,
-		"color": "ff000dff"
-	},
-	{
-		"name": "rear-shin",
-		"parent": "rear-thigh",
-		"length": 121.88,
-		"rotation": -19.83,
-		"x": 86.1,
-		"y": -1.33,
-		"color": "ff000dff"
-	},
-	{
-		"name": "rear-foot",
-		"parent": "rear-shin",
-		"length": 82.57,
-		"rotation": 69.3,
-		"x": 121.46,
-		"y": -0.76,
-		"color": "ff000dff"
-	}
-],
-"slots": [
-	{ "name": "rear-upper-arm", "bone": "rear-upper-arm", "attachment": "rear-upper-arm" },
-	{ "name": "rear-bracer", "bone": "rear-bracer", "attachment": "rear-bracer" },
-	{ "name": "gun", "bone": "gun", "attachment": "gun" },
-	{ "name": "rear-foot", "bone": "rear-foot", "attachment": "rear-foot" },
-	{ "name": "rear-thigh", "bone": "rear-thigh", "attachment": "rear-thigh" },
-	{ "name": "rear-shin", "bone": "rear-shin", "attachment": "rear-shin" },
-	{ "name": "neck", "bone": "neck", "attachment": "neck" },
-	{ "name": "torso", "bone": "torso", "attachment": "torso" },
-	{ "name": "front-upper-arm", "bone": "front-upper-arm", "attachment": "front-upper-arm" },
-	{ "name": "head", "bone": "head", "attachment": "head" },
-	{ "name": "eye", "bone": "head", "attachment": "eye-indifferent" },
-	{ "name": "front-thigh", "bone": "front-thigh", "attachment": "front-thigh" },
-	{ "name": "front-foot", "bone": "front-foot", "attachment": "front-foot" },
-	{ "name": "front-shin", "bone": "front-shin", "attachment": "front-shin" },
-	{ "name": "mouth", "bone": "head", "attachment": "mouth-smile" },
-	{ "name": "goggles", "bone": "head", "attachment": "goggles" },
-	{ "name": "front-bracer", "bone": "front-bracer", "attachment": "front-bracer" },
-	{ "name": "front-fist", "bone": "front-fist", "attachment": "front-fist-closed" },
-	{ "name": "muzzle", "bone": "gun-tip", "blend": "additive" },
-	{ "name": "head-bb", "bone": "head" }
-],
-"skins": [
-	{
-		"name": "default",
-		"attachments": {
-			"gun": {
-				"gun": { "x": 77.3, "y": 16.4, "rotation": 60.83, "width": 210, "height": 203 }
-			},
-			"rear-shin": {
-				"rear-shin": { "x": 58.29, "y": -2.75, "rotation": 92.37, "width": 75, "height": 178 }
-			},
-			"head-bb": {
-				"head": {
-					"type": "boundingbox",
-					"vertexCount": 6,
-					"vertices": [ -19.14, -70.3, 40.8, -118.07, 257.77, -115.62, 285.16, 57.18, 120.77, 164.95, -5.07, 76.95 ]
-				}
-			},
-			"mouth": {
-				"mouth-grind": { "x": 23.69, "y": -32.24, "rotation": -70.63, "width": 93, "height": 59 },
-				"mouth-oooo": { "x": 23.69, "y": -32.24, "rotation": -70.63, "width": 93, "height": 59 },
-				"mouth-smile": { "x": 23.69, "y": -32.24, "rotation": -70.63, "width": 93, "height": 59 }
-			},
-			"rear-upper-arm": {
-				"rear-upper-arm": { "x": 21.13, "y": 4.09, "rotation": 89.33, "width": 40, "height": 87 }
-			},
-			"front-upper-arm": {
-				"front-upper-arm": { "x": 25.2, "y": 1.17, "rotation": 97.9, "width": 46, "height": 97 }
-			},
-			"front-bracer": {
-				"front-bracer": { "x": 12.03, "y": -1.68, "rotation": 79.6, "width": 58, "height": 80 }
-			},
-			"front-foot": {
-				"front-foot": { "x": 29.52, "y": 7.84, "rotation": 18.69, "width": 126, "height": 69 }
-			},
-			"goggles": {
-				"goggles": { "x": 97.08, "y": 6.54, "rotation": -70.63, "width": 261, "height": 166 }
-			},
-			"front-shin": {
-				"front-shin": { "x": 55.12, "y": -3.54, "rotation": 96.59, "width": 82, "height": 184 }
-			},
-			"neck": {
-				"neck": { "x": 9.77, "y": -3.01, "rotation": -55.22, "width": 36, "height": 41 }
-			},
-			"head": {
-				"head": { "x": 128.96, "y": 0.3, "rotation": -70.63, "width": 271, "height": 298 }
-			},
-			"muzzle": {
-				"muzzle01": {
-					"x": 159.26,
-					"y": 5.83,
-					"scaleX": 4,
-					"scaleY": 4,
-					"rotation": 0.15,
-					"width": 133,
-					"height": 79
-				},
-				"muzzle02": {
-					"x": 191.23,
-					"y": 5.91,
-					"scaleX": 4,
-					"scaleY": 4,
-					"rotation": 0.15,
-					"width": 135,
-					"height": 84
-				},
-				"muzzle03": {
-					"x": 230.67,
-					"y": 6.02,
-					"scaleX": 4,
-					"scaleY": 4,
-					"rotation": 0.15,
-					"width": 166,
-					"height": 106
-				},
-				"muzzle04": {
-					"x": 218.54,
-					"y": 5.99,
-					"scaleX": 4,
-					"scaleY": 4,
-					"rotation": 0.15,
-					"width": 149,
-					"height": 90
-				}
-			},
-			"rear-bracer": {
-				"rear-bracer": { "x": 11.15, "y": -2.2, "rotation": 66.17, "width": 56, "height": 72 }
-			},
-			"rear-thigh": {
-				"rear-thigh": { "x": 33.11, "y": -4.11, "rotation": 72.54, "width": 55, "height": 94 }
-			},
-			"front-fist": {
-				"front-fist-closed": { "x": 35.5, "y": 6, "rotation": 67.16, "width": 75, "height": 82 },
-				"front-fist-open": { "x": 39.57, "y": 7.76, "rotation": 67.16, "width": 86, "height": 87 }
-			},
-			"eye": {
-				"eye-indifferent": { "x": 85.72, "y": -28.18, "rotation": -70.63, "width": 93, "height": 89 },
-				"eye-surprised": { "x": 85.72, "y": -28.18, "rotation": -70.63, "width": 93, "height": 89 }
-			},
-			"front-thigh": {
-				"front-thigh": { "x": 42.48, "y": 4.45, "rotation": 84.87, "width": 45, "height": 112 }
-			},
-			"torso": {
-				"torso": { "x": 63.61, "y": 7.12, "rotation": -94.54, "width": 98, "height": 180 }
-			},
-			"rear-foot": {
-				"rear-foot": { "x": 31.51, "y": 3.58, "rotation": 23.07, "width": 113, "height": 60 }
-			}
-		}
-	}
-],
-"events": {
-	"footstep": {}
-},
-"animations": {
-	"death": {
-		"slots": {
-			"mouth": {
-				"attachment": [
-					{ "name": "mouth-oooo" },
-					{ "time": 2.2333, "name": "mouth-grind" },
-					{ "time": 4.5333, "name": "mouth-oooo" }
-				]
-			},
-			"front-fist": {
-				"attachment": [
-					{ "name": "front-fist-open" }
-				]
-			},
-			"eye": {
-				"attachment": [
-					{ "name": "eye-surprised" },
-					{ "time": 0.4667, "name": "eye-indifferent" },
-					{ "time": 2.2333, "name": "eye-surprised" },
-					{ "time": 4.5333, "name": "eye-indifferent" }
-				]
-			}
-		},
-		"bones": {
-			"head": {
-				"rotate": [
-					{ "angle": -2.83 },
-					{ "time": 0.1333, "angle": -28.74 },
-					{ "time": 0.2333, "angle": 11.43 },
-					{ "time": 0.3333, "angle": -50.25 },
-					{ "time": 0.4, "angle": -72.67, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -72.67 },
-					{ "time": 0.5, "angle": -20.25 },
-					{ "time": 0.5667, "angle": -85.29, "curve": "stepped" },
-					{ "time": 2.2333, "angle": -85.29 },
-					{ "time": 2.5, "angle": -51.96, "curve": "stepped" },
-					{ "time": 4.5333, "angle": -51.96 },
-					{ "time": 4.6667, "angle": -85.29 }
-				]
-			},
-			"neck": {
-				"rotate": [
-					{ "angle": -2.83 },
-					{ "time": 0.1333, "angle": 12.35 },
-					{ "time": 0.2333, "angle": 29.89 },
-					{ "time": 0.3, "angle": 70.36 },
-					{ "time": 0.4, "angle": -10.22, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -10.22 },
-					{ "time": 0.5, "angle": 2.93 },
-					{ "time": 0.5667, "angle": 47.95, "curve": "stepped" },
-					{ "time": 2.2333, "angle": 47.95 },
-					{ "time": 2.5, "angle": 18.51, "curve": "stepped" },
-					{ "time": 4.5333, "angle": 18.51 },
-					{ "time": 4.6667, "angle": 47.95 }
-				]
-			},
-			"torso": {
-				"rotate": [
-					{ "angle": -8.62 },
-					{ "time": 0.1333, "angle": 28.2 },
-					{ "time": 0.2667, "angle": -280.19 },
-					{ "time": 0.4, "angle": -237.23, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -237.23 },
-					{ "time": 0.5, "angle": 76.03 }
-				]
-			},
-			"front-upper-arm": {
-				"rotate": [
-					{ "angle": -38.86 },
-					{ "time": 0.1333, "angle": -299.59 },
-					{ "time": 0.2667, "angle": -244.75 },
-					{ "time": 0.4, "angle": -292.36 },
-					{ "time": 0.4333, "angle": -315.85 },
-					{ "time": 0.5, "angle": -347.94 },
-					{ "time": 0.7, "angle": -347.33, "curve": "stepped" },
-					{ "time": 2.2333, "angle": -347.33 },
-					{ "time": 2.7, "angle": -290.68 },
-					{ "time": 2.7667, "angle": -285.11 },
-					{ "time": 4.6667, "angle": -290.68 },
-					{ "time": 4.8, "angle": 8.61 },
-					{ "time": 4.8667, "angle": 10.94 }
-				]
-			},
-			"rear-upper-arm": {
-				"rotate": [
-					{ "angle": -44.7 },
-					{ "time": 0.1333, "angle": 112.26 },
-					{ "time": 0.2667, "angle": 129.08 },
-					{ "time": 0.4, "angle": 134.94, "curve": "stepped" },
-					{ "time": 0.4333, "angle": 134.94 },
-					{ "time": 0.5667, "angle": 172.6 }
-				]
-			},
-			"front-bracer": {
-				"rotate": [
-					{ "angle": 21.88 },
-					{ "time": 0.1333, "angle": 11.49 },
-					{ "time": 0.2667, "angle": -18.82 },
-					{ "time": 0.4, "angle": -18.93 },
-					{ "time": 0.4333, "angle": -18.28 },
-					{ "time": 0.5, "angle": 60.62 },
-					{ "time": 0.7, "angle": -18.88, "curve": "stepped" },
-					{ "time": 2.2333, "angle": -18.88 },
-					{ "time": 2.7, "angle": -1.96, "curve": "stepped" },
-					{ "time": 4.6667, "angle": -1.96 },
-					{ "time": 4.8, "angle": 34.55 },
-					{ "time": 4.9333, "angle": -18.75 }
-				]
-			},
-			"front-fist": {
-				"rotate": [
-					{ "angle": -2.33 },
-					{ "time": 0.2667, "angle": 26.35 },
-					{ "time": 0.7, "angle": -6.08, "curve": "stepped" },
-					{ "time": 2.2333, "angle": -6.08 },
-					{ "time": 2.7, "angle": 5.73, "curve": "stepped" },
-					{ "time": 4.6667, "angle": 5.73 },
-					{ "time": 4.8667, "angle": -6.52 }
-				]
-			},
-			"rear-bracer": {
-				"rotate": [
-					{ "angle": 10.36 },
-					{ "time": 0.1333, "angle": -23.12 },
-					{ "time": 0.2667, "angle": -23.12 },
-					{ "time": 0.4, "angle": -23.16, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -23.16 },
-					{ "time": 0.5667, "angle": -23.2 }
-				]
-			},
-			"gun": {
-				"rotate": [
-					{ "angle": -2.79 },
-					{ "time": 0.1333, "angle": -24.58 }
-				]
-			},
-			"front-thigh": {
-				"rotate": [
-					{},
-					{ "time": 0.1333, "angle": 8.47 },
-					{ "time": 0.2667, "angle": 115.96 },
-					{ "time": 0.4, "angle": 180.66, "curve": "stepped" },
-					{ "time": 0.4333, "angle": 180.66 },
-					{ "time": 0.5, "angle": 155.22 },
-					{ "time": 0.6, "angle": 97.74 }
-				]
-			},
-			"front-shin": {
-				"rotate": [
-					{},
-					{ "time": 0.1333, "angle": -27.37 },
-					{ "time": 0.2667, "angle": -35.1 },
-					{ "time": 0.4, "angle": -37.73, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -37.73 },
-					{ "time": 0.5, "angle": -40.07 },
-					{ "time": 0.6, "angle": 2.76 }
-				]
-			},
-			"rear-thigh": {
-				"rotate": [
-					{},
-					{ "time": 0.1333, "angle": 70.45 },
-					{ "time": 0.2667, "angle": 155.35 },
-					{ "time": 0.4, "angle": 214.31, "curve": "stepped" },
-					{ "time": 0.4333, "angle": 214.31 },
-					{ "time": 0.5, "angle": 169.67 },
-					{ "time": 0.8, "angle": 83.27 }
-				]
-			},
-			"rear-shin": {
-				"rotate": [
-					{},
-					{ "time": 0.1333, "angle": 18.94 },
-					{ "time": 0.2667, "angle": -21.04 },
-					{ "time": 0.4, "angle": -29.94, "curve": "stepped" },
-					{ "time": 0.4333, "angle": -29.94 },
-					{ "time": 0.5, "angle": -16.79 },
-					{ "time": 0.8, "angle": 7.78 }
-				]
-			},
-			"rear-foot": {
-				"rotate": [
-					{},
-					{ "time": 0.1333, "angle": -11.63 },
-					{ "time": 0.4, "angle": -45.6 }
-				]
-			},
-			"front-foot": {
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-					{ "time": 0.8, "angle": 6.98 }
-				]
-			},
-			"front-bracer": {
-				"rotate": [
-					{},
-					{ "time": 0.4, "angle": 20.6 },
-					{ "time": 0.8 }
-				]
-			},
-			"front-foot": {
-				"rotate": [
-					{ "angle": 12.49 },
-					{ "time": 0.1, "angle": -6.36 },
-					{ "time": 0.2, "angle": -6.18 },
-					{ "time": 0.3, "angle": -0.76 },
-					{ "time": 0.3333, "angle": 3.89 },
-					{ "time": 0.4, "angle": 10.22 },
-					{ "time": 0.5, "angle": 11.44 },
-					{ "time": 0.6, "angle": -0.34 },
-					{ "time": 0.7, "angle": 0.15 },
-					{ "time": 0.8, "angle": 12.49 }
-				]
-			},
-			"rear-bracer": {
-				"rotate": [
-					{ "angle": 3.59 },
-					{ "time": 0.1, "angle": 5.51 },
-					{ "time": 0.4, "angle": -22.78 },
-					{ "time": 0.5, "angle": -9.65 },
-					{ "time": 0.8, "angle": 3.59 }
-				]
-			},
-			"front-fist": {
-				"rotate": [
-					{ "angle": -15.22 },
-					{ "time": 0.1, "angle": -51.4 },
-					{ "time": 0.4, "angle": -39.4 },
-					{ "time": 0.5, "angle": 19.26 },
-					{ "time": 0.8, "angle": -15.22 }
-				]
-			},
-			"gun": {
-				"rotate": [
-					{ "angle": -24.07, "curve": 0.25, "c3": 0.75 },
-					{ "time": 0.1, "angle": -10.95, "curve": 0.381, "c2": 0.55, "c3": 0.742 },
-					{ "time": 0.4, "angle": 25.34, "curve": 0.25, "c3": 0.75 },
-					{ "time": 0.6667, "angle": -27.48, "curve": 0.25, "c3": 0.75 },
-					{ "time": 0.8, "angle": -24.07 }
-				]
-			},
-			"hip": {
-				"translate": [
-					{ "x": -23.93, "y": 3.22, "curve": 0.519, "c2": 0.04, "c3": 0.807, "c4": 0.61 },
-					{ "time": 0.1, "x": -23.93, "y": -3.36 },
-					{ "time": 0.1333, "x": -23.93, "y": 1.44 },
-					{ "time": 0.1667, "x": -23.93, "y": 2.88 },
-					{ "time": 0.2, "x": -23.93, "y": 0.99 },
-					{ "time": 0.3, "x": -23.93, "y": -3.5, "curve": 0.25, "c3": 0.75 },
-					{ "time": 0.4, "x": -23.93, "y": -2.5, "curve": 0.693, "c2": 0.02, "c3": 0.75 },
-					{ "time": 0.5, "x": -23.93, "y": -10.32, "curve": 0.236, "c2": 0.78, "c3": 0.75 },
-					{
-						"time": 0.6,
-						"x": -23.93,
-						"y": 4.36,
-						"curve": 0.287,
-						"c2": 0.38,
-						"c3": 0.719,
-						"c4": 0.77
-					},
-					{ "time": 0.7, "x": -23.93, "y": 10.35, "curve": 0.616, "c3": 0.75 },
-					{ "time": 0.8, "x": -23.93, "y": 3.22 }
-				]
-			}
-		}
-	}
-}
-}

spine-cocos2d-objc/example/CoinExample.m

@@ -28,7 +28,7 @@
  *****************************************************************************/
 
 #import "CoinExample.h"
-#import "SpineBoyExample.h"
+#import "IKExample.h"
 
 @implementation CoinExample
 
@@ -66,7 +66,7 @@
 	else if (skeletonNode.timeScale == 1)
 		skeletonNode.timeScale = 0.3f;
 	else
-		[[CCDirector sharedDirector] replaceScene:[SpineboyExample scene]];
+		[[CCDirector sharedDirector] replaceScene:[IKExample scene]];
 }
 #endif
 

spine-cocos2d-objc/example/IKExample.h

@@ -0,0 +1,40 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
+ * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#import "cocos2d.h"
+#import <spine/spine-cocos2d-objc.h>
+
+@interface IKExample : CCNode {
+	SkeletonAnimation* skeletonNode;
+	CGPoint position;
+}
+
++ (CCScene*) scene;
+
+@end

spine-cocos2d-objc/example/IKExample.m

@@ -0,0 +1,118 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated May 1, 2019. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2019, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software
+ * or otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
+ * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#import "IKExample.h"
+#import "SpineboyExample.h"
+
+// This example demonstrates how to set the position
+// of a bone based on the touch position, which in
+// turn will make an IK chain follow that bone
+// smoothly.
+@implementation IKExample
+
++ (CCScene*) scene {
+	CCScene *scene = [CCScene node];
+	[scene addChild:[IKExample node]];
+	return scene;
+}
+
+-(id) init {
+	self = [super init];
+	if (!self) return nil;
+
+	// Load the Spineboy skeleton and create a SkeletonAnimation node from it
+	// centered on the screen.
+
+	skeletonNode = [SkeletonAnimation skeletonWithFile:@"spineboy-pro.json" atlasFile:@"spineboy.atlas" scale:0.4];
+	CGSize windowSize = [[CCDirector sharedDirector] viewSize];
+	[skeletonNode setPosition:ccp(windowSize.width / 2, 20)];
+	[self addChild:skeletonNode];
+	self.userInteractionEnabled = YES;
+    self.contentSize = windowSize;
+	
+	// Queue the "walk" animation on the first track.
+	[skeletonNode setAnimationForTrack:0 name:@"walk" loop:YES];
+	
+	// Queue the "aim" animation on a higher track.
+	// It consists of a single frame that positions
+	// the back arm and gun such that they point at
+	// the "crosshair" bone. By setting this
+	// animation on a higher track, it overrides
+	// any changes to the back arm and gun made
+	// by the walk animation, allowing us to
+	// mix the two. The mouse position following
+	// is performed in the lambda below.
+	[skeletonNode setAnimationForTrack:1 name:@"aim" loop:YES];
+
+	// Position the "crosshair" bone at the mouse
+	// location.
+	//
+	// When setting the crosshair bone position
+	// to the mouse position, we need to translate
+	// from "skeleton space" to "local bone space".
+	// Note that the local bone space is calculated
+	// using the bone's parent worldToLocal() function!
+	//
+	// After updating the bone position based on the
+	// converted mouse location, we call updateWorldTransforms()
+	// again so the change of the IK target position is
+	// applied to the rest of the skeleton.
+	__weak IKExample* scene = self;
+	skeletonNode.postUpdateWorldTransformsListener = ^(SkeletonAnimation* node) {
+		if (scene != NULL) {
+			__strong IKExample* sceneStrong = scene;
+			spBone* crosshair = [node findBone:@"crosshair"]; // The bone should be cached
+			float localX = 0, localY = 0;
+			spBone_worldToLocal(crosshair->parent, sceneStrong->position.x, sceneStrong->position.y, &localX, &localY);
+			crosshair->x = localX;
+			crosshair->y = localY;
+			crosshair->appliedValid = FALSE;
+			spBone_updateWorldTransform(crosshair);
+		}
+    };
+	return self;
+}
+
+#if ( TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR )
+- (void)touchBegan:(UITouch *)touch withEvent:(UIEvent *)event {
+	position = [skeletonNode convertToNodeSpace:touch.locationInWorld];
+	printf("%f %f\n", position.x, position.y);
+}
+
+- (void)touchMoved:(UITouch *)touch withEvent:(UIEvent *)event {
+	position = [skeletonNode convertToNodeSpace:touch.locationInWorld];
+	printf("%f %f\n", position.x, position.y);
+}
+
+- (void)touchEnded:(UITouch *)touch withEvent:(UIEvent *)event {
+	[[CCDirector sharedDirector] replaceScene:[SpineboyExample scene]];
+}
+#endif
+
+@end

spine-cocos2d-objc/example/SpineboyExample.m

@@ -42,7 +42,7 @@
 	self = [super init];
 	if (!self) return nil;
 
-	skeletonNode = [SkeletonAnimation skeletonWithFile:@"spineboy-ess.json" atlasFile:@"spineboy.atlas" scale:0.4];
+	skeletonNode = [SkeletonAnimation skeletonWithFile:@"spineboy-pro.json" atlasFile:@"spineboy.atlas" scale:0.4];
 	[skeletonNode setMixFrom:@"walk" to:@"jump" duration:0.2f];
 	[skeletonNode setMixFrom:@"jump" to:@"run" duration:0.2f];
 

spine-cocos2d-objc/spine-cocos2d-objc.xcodeproj/project.pbxproj

@@ -8,7 +8,6 @@
 
 /* Begin PBXBuildFile section */
 		43C3282F170B0C19004A9460 /* spine-cocos2d-objc.m in Sources */ = {isa = PBXBuildFile; fileRef = 43C3282D170B0C19004A9460 /* spine-cocos2d-objc.m */; settings = {COMPILER_FLAGS = "-fno-objc-arc"; }; };
-		43C3286C170B0DA6004A9460 /* spineboy-ess.json in Resources */ = {isa = PBXBuildFile; fileRef = 43C32868170B0DA6004A9460 /* spineboy-ess.json */; };
 		43C3286E170B0DA6004A9460 /* spineboy.atlas in Resources */ = {isa = PBXBuildFile; fileRef = 43C3286A170B0DA6004A9460 /* spineboy.atlas */; };
 		43C3286F170B0DA6004A9460 /* spineboy.png in Resources */ = {isa = PBXBuildFile; fileRef = 43C3286B170B0DA6004A9460 /* spineboy.png */; };
 		43C3287D170B0DBE004A9460 /* [email protected] in Resources */ = {isa = PBXBuildFile; fileRef = 43C32871170B0DBE004A9460 /* [email protected] */; };
@@ -34,6 +33,8 @@
 		765A2EF61D7D7A08003FB779 /* goblins.atlas in Resources */ = {isa = PBXBuildFile; fileRef = 765A2EF41D7D7A08003FB779 /* goblins.atlas */; };
 		765A2EF71D7D7A08003FB779 /* goblins.png in Resources */ = {isa = PBXBuildFile; fileRef = 765A2EF51D7D7A08003FB779 /* goblins.png */; };
 		76BF7E071E66ED9C00485998 /* GLUtils.c in Sources */ = {isa = PBXBuildFile; fileRef = 76BF7E051E66ED9C00485998 /* GLUtils.c */; };
+		76C893BC23672757009D8DC8 /* IKExample.m in Sources */ = {isa = PBXBuildFile; fileRef = 76C893B623672757009D8DC8 /* IKExample.m */; };
+		76C893BF236728A4009D8DC8 /* spineboy-pro.json in Resources */ = {isa = PBXBuildFile; fileRef = 76C893BE236728A4009D8DC8 /* spineboy-pro.json */; };
 		76EE4E461EB36DE6000254F4 /* Array.c in Sources */ = {isa = PBXBuildFile; fileRef = 76EE4E421EB36DE6000254F4 /* Array.c */; };
 		76EE4E471EB36DE6000254F4 /* ClippingAttachment.c in Sources */ = {isa = PBXBuildFile; fileRef = 76EE4E431EB36DE6000254F4 /* ClippingAttachment.c */; };
 		76EE4E481EB36DE6000254F4 /* SkeletonClipping.c in Sources */ = {isa = PBXBuildFile; fileRef = 76EE4E441EB36DE6000254F4 /* SkeletonClipping.c */; };
@@ -138,7 +139,6 @@
 /* Begin PBXFileReference section */
 		43C3282D170B0C19004A9460 /* spine-cocos2d-objc.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "spine-cocos2d-objc.m"; path = "src/spine/spine-cocos2d-objc.m"; sourceTree = "<group>"; };
 		43C3282E170B0C19004A9460 /* spine-cocos2d-objc.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "spine-cocos2d-objc.h"; path = "src/spine/spine-cocos2d-objc.h"; sourceTree = "<group>"; };
-		43C32868170B0DA6004A9460 /* spineboy-ess.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; name = "spineboy-ess.json"; path = "Resources/spineboy-ess.json"; sourceTree = "<group>"; };
 		43C3286A170B0DA6004A9460 /* spineboy.atlas */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = spineboy.atlas; path = Resources/spineboy.atlas; sourceTree = "<group>"; };
 		43C3286B170B0DA6004A9460 /* spineboy.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = spineboy.png; path = Resources/spineboy.png; sourceTree = "<group>"; };
 		43C32871170B0DBE004A9460 /* [email protected] */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = "[email protected]"; path = "Resources-ios/[email protected]"; sourceTree = "<group>"; };
@@ -171,6 +171,9 @@
 		765A2EF51D7D7A08003FB779 /* goblins.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = goblins.png; path = Resources/goblins.png; sourceTree = "<group>"; };
 		76BF7E051E66ED9C00485998 /* GLUtils.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = GLUtils.c; path = src/spine/GLUtils.c; sourceTree = "<group>"; };
 		76BF7E061E66ED9C00485998 /* GLUtils.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = GLUtils.h; path = src/spine/GLUtils.h; sourceTree = "<group>"; };
+		76C893B623672757009D8DC8 /* IKExample.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = IKExample.m; path = example/IKExample.m; sourceTree = "<group>"; };
+		76C893BB23672757009D8DC8 /* IKExample.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = IKExample.h; path = example/IKExample.h; sourceTree = "<group>"; };
+		76C893BE236728A4009D8DC8 /* spineboy-pro.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; name = "spineboy-pro.json"; path = "Resources/spineboy-pro.json"; sourceTree = "<group>"; };
 		76EE4E421EB36DE6000254F4 /* Array.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = Array.c; path = "../spine-c/spine-c/src/spine/Array.c"; sourceTree = "<group>"; };
 		76EE4E431EB36DE6000254F4 /* ClippingAttachment.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = ClippingAttachment.c; path = "../spine-c/spine-c/src/spine/ClippingAttachment.c"; sourceTree = "<group>"; };
 		76EE4E441EB36DE6000254F4 /* SkeletonClipping.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = SkeletonClipping.c; path = "../spine-c/spine-c/src/spine/SkeletonClipping.c"; sourceTree = "<group>"; };
@@ -282,6 +285,8 @@
 				43C32823170B0BC7004A9460 /* spine-cocos2d-objc */,
 				43F7FF8C1927F96700CA4038 /* SpineboyExample.h */,
 				43F7FF8D1927F96700CA4038 /* SpineboyExample.m */,
+				76C893BB23672757009D8DC8 /* IKExample.h */,
+				76C893B623672757009D8DC8 /* IKExample.m */,
 				43F7FF8A1927F96700CA4038 /* GoblinsExample.h */,
 				43F7FF8B1927F96700CA4038 /* GoblinsExample.m */,
 				76F5BDA81D2BDE67005917E5 /* RaptorExample.h */,
@@ -364,6 +369,7 @@
 		43C32867170B0C7F004A9460 /* Resources */ = {
 			isa = PBXGroup;
 			children = (
+				76C893BE236728A4009D8DC8 /* spineboy-pro.json */,
 				76EE4E4E1EB36E53000254F4 /* coin.atlas */,
 				76EE4E4F1EB36E53000254F4 /* coin-pro.json */,
 				76EE4E501EB36E53000254F4 /* coin.png */,
@@ -376,7 +382,6 @@
 				76F5BDA01D2BDE1C005917E5 /* tank-pro.json */,
 				76F5BDA11D2BDE1C005917E5 /* tank.png */,
 				43F7010D1927FBC700CA4038 /* goblins-pro.json */,
-				43C32868170B0DA6004A9460 /* spineboy-ess.json */,
 				43C3286A170B0DA6004A9460 /* spineboy.atlas */,
 				43C3286B170B0DA6004A9460 /* spineboy.png */,
 			);
@@ -484,6 +489,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = 9A5D248C170A94DA0030D4DD;
@@ -540,7 +546,6 @@
 			files = (
 				765A2EF61D7D7A08003FB779 /* goblins.atlas in Resources */,
 				76F5BDA51D2BDE1C005917E5 /* tank.atlas in Resources */,
-				43C3286C170B0DA6004A9460 /* spineboy-ess.json in Resources */,
 				43C3286E170B0DA6004A9460 /* spineboy.atlas in Resources */,
 				43C3286F170B0DA6004A9460 /* spineboy.png in Resources */,
 				43C3287D170B0DBE004A9460 /* [email protected] in Resources */,
@@ -557,6 +562,7 @@
 				76EE4E511EB36E53000254F4 /* coin.atlas in Resources */,
 				76F5BDA21D2BDE1C005917E5 /* raptor.atlas in Resources */,
 				43C32883170B0DBE004A9460 /* Icon-Small.png in Resources */,
+				76C893BF236728A4009D8DC8 /* spineboy-pro.json in Resources */,
 				43C32884170B0DBE004A9460 /* [email protected] in Resources */,
 				43C32885170B0DBE004A9460 /* Icon.png in Resources */,
 				76F5BDA71D2BDE1C005917E5 /* tank.png in Resources */,
@@ -607,6 +613,7 @@
 				76F28D311DEC810300CDE54D /* Slot.c in Sources */,
 				43C32A06170B0F93004A9460 /* main.m in Sources */,
 				76F28D351DEC810300CDE54D /* VertexAttachment.c in Sources */,
+				76C893BC23672757009D8DC8 /* IKExample.m in Sources */,
 				76FAC1961E3FA15E001CCC8C /* Color.c in Sources */,
 				76F28D331DEC810300CDE54D /* TransformConstraint.c in Sources */,
 				43C32A09170B10FF004A9460 /* AppDelegate.m in Sources */,

spine-cocos2d-objc/src/spine/SkeletonAnimation.h

@@ -39,6 +39,7 @@ typedef void(^spEndListener)(spTrackEntry* entry);
 typedef void(^spDisposeListener)(spTrackEntry* entry);
 typedef void(^spCompleteListener)(spTrackEntry* entry);
 typedef void(^spEventListener)(spTrackEntry* entry, spEvent* event);
+typedef void(^spUpdateWorldTransformsListener)(SkeletonAnimation* node);
 
 /** Draws an animated skeleton, providing an AnimationState for applying one or more animations and queuing animations to be
  * played later. */
@@ -90,5 +91,7 @@ typedef void(^spEventListener)(spTrackEntry* entry, spEvent* event);
 @property (nonatomic, copy) spDisposeListener disposeListener;
 @property (nonatomic, copy) spCompleteListener completeListener;
 @property (nonatomic, copy) spEventListener eventListener;
+@property (nonatomic, copy) spUpdateWorldTransformsListener preUpdateWorldTransformsListener;
+@property (nonatomic, copy) spUpdateWorldTransformsListener postUpdateWorldTransformsListener;
 
 @end

spine-cocos2d-objc/src/spine/SkeletonAnimation.m

@@ -80,6 +80,8 @@ static _TrackEntryListeners* getListeners (spTrackEntry* entry) {
 @synthesize endListener = _endListener;
 @synthesize completeListener = _completeListener;
 @synthesize eventListener = _eventListener;
+@synthesize preUpdateWorldTransformsListener = _preUpdateWorldTransformsListener;
+@synthesize postUpdateWorldTransformsListener = _postUpdateWorldTransformsListener;
 
 + (id) skeletonWithData:(spSkeletonData*)skeletonData ownsSkeletonData:(bool)ownsSkeletonData {
 	return [[[self alloc] initWithData:skeletonData ownsSkeletonData:ownsSkeletonData] autorelease];
@@ -141,6 +143,8 @@ static _TrackEntryListeners* getListeners (spTrackEntry* entry) {
 	[_disposeListener release];
 	[_completeListener release];
 	[_eventListener release];
+	[_preUpdateWorldTransformsListener release];
+	[_postUpdateWorldTransformsListener release];
 
 	[super dealloc];
 }
@@ -150,7 +154,9 @@ static _TrackEntryListeners* getListeners (spTrackEntry* entry) {
 	spSkeleton_update(_skeleton, deltaTime);
 	spAnimationState_update(_state, deltaTime);
 	spAnimationState_apply(_state, _skeleton);
+	if (_preUpdateWorldTransformsListener) _preUpdateWorldTransformsListener(self);
 	spSkeleton_updateWorldTransform(_skeleton);
+	if (_postUpdateWorldTransformsListener) _postUpdateWorldTransformsListener(self);
 }
 
 - (void) setAnimationStateData:(spAnimationStateData*)stateData {

spine-cocos2dx/example/Classes/IKExample.cpp

@@ -33,6 +33,10 @@
 USING_NS_CC;
 using namespace spine;
 
+// This example demonstrates how to set the position
+// of a bone based on the touch position, which in
+// turn will make an IK chain follow that bone
+// smoothly.
 Scene* IKExample::scene () {
     Scene *scene = Scene::create();
     scene->addChild(IKExample::create());
@@ -88,7 +92,7 @@ bool IKExample::init () {
 	// again so the change of the IK target position is
 	// applied to the rest of the skeleton.
 	skeletonNode->setPostUpdateWorldTransformsListener([this] (SkeletonAnimation* node) -> void {
-		Bone* crosshair = node->findBone("crosshair");
+		Bone* crosshair = node->findBone("crosshair"); // The bone should be cached
 		float localX = 0, localY = 0;
 		crosshair->getParent()->worldToLocal(position.x, position.y, localX, localY);
 		crosshair->setX(localX);