Saved state on physics-construct (but challenging syntax)

index.html

@@ -127,6 +127,9 @@ function showOnlyThisGame(name){
 
   <!-- Dynamic box -->
   <a-box dynamic-body position="5 0.5 0" width="1" height="1" depth="1"></a-box>
+
+	todo
+		test getVoxelPoses() to hash equivalent, in order to be able to share builds
 */
 AFRAME.registerComponent('physics-construct', {
   init: function(){
@@ -138,7 +141,8 @@ AFRAME.registerComponent('physics-construct', {
         sphereEl.setAttribute('target', '')
         sphereEl.setAttribute('position', '0 1 -.5')
         sphereEl.setAttribute("onpicked", "window.pfb = selectedElements.at(-1).element.getAttribute('position').clone();")
-        sphereEl.setAttribute("onreleased", "twoPosToBox(window.pfb, selectedElements.at(-1).element.getAttribute('position'),'"+generatorName+"');")
+        sphereEl.setAttribute("onreleased", "document.querySelector('["+generatorName+"]').components['"+generatorName+"'].twoPosToBox(window.pfb, selectedElements.at(-1).element.getAttribute('position'), '"+generatorName+"');")
+	// really verbose... consider rebinding or more helpers in such events, facilitating access to this.el and component overall
         AFRAME.scenes[0].appendChild(sphereEl)
 
 	let ballEl = document.createElement('a-sphere')
@@ -156,6 +160,24 @@ AFRAME.registerComponent('physics-construct', {
 	//let script = document.createElement("script")
 	//script.setAttribute("src", "https://cdn.jsdelivr.net/gh/c-frame/aframe-physics-system@v4.2.2/dist/aframe-physics-system.min.js")
 	//document.head.appendChild(script) // does not work, check older tricks
+
+	if (window.location.hash) {
+		let poses = JSON.parse(decodeURI(window.location.hash.replace("#",'')))[generatorName]
+		// prefixed by generatorName in order to support saving/sharing of the state of other games
+		poses?.map( p => {
+			let newEl = document.createElement('a-box')
+			newEl.setAttribute("scale", p.scale)
+			newEl.setAttribute("position", p.position)
+			newEl.setAttribute("rotation", p.rotation)
+			newEl.setAttribute("target","true")
+			newEl.setAttribute('static-body', '')
+			newEl.setAttribute("onreleased", "document.querySelector('["+generatorName+"]').emit('getVoxelPoses')")
+			newEl.classList.add( "voxel_" + generatorName )
+			newEl.classList.add( "voxel" )
+			newEl.classList.add( generatorName )
+			AFRAME.scenes[0].appendChild(newEl)
+		})
+	}
   },
   events: {
     reset: function (evt) {
@@ -165,26 +187,53 @@ AFRAME.registerComponent('physics-construct', {
     },
     check: function (evt) {
     },
+    getVoxelPoses: function (evt){
+    	console.log('generating poses')
+	let generatorName = this.attrName
+	let poses = []
+	// to clarify querySelectorAll here is done on the element and thus should no interfer with other components using the same mechanism
+	// Array.from( this.el.querySelectorAll(".voxel") ).map( el => {
+	Array.from( AFRAME.scenes[0].querySelectorAll(".voxel_" + generatorName ) ).map( el => {
+		poses.push( { 
+			position: this.shortenVector3( el.getAttribute("position") ),
+			rotation: this.shortenVector3( el.getAttribute("rotation") ),
+			scale: this.shortenVector3( el.getAttribute("scale") ),
+		} )
+	})
+	let data = {}
+	data[generatorName] = poses
+	window.location.hash = JSON.stringify(data)
+	console.log('generated poses:', poses.length)
+	// prefixed by generatorName in order to support saving/sharing of the state of other games
+    },
   },
-})
-
-// should be in the component instead
-function twoPosToBox(A, B, generatorName){
+  shortenVector3: function ( v ){
+	let o = new THREE.Vector3()
+	o.x = v.x.toFixed(3)
+	o.y = v.y.toFixed(3)
+	o.z = v.z.toFixed(3)
+	return o
+  },
+  twoPosToBox(A, B, generatorName){
 	let center = A.clone()
 	center.add(B)
 	center.divideScalar(2)
 	let lengthes = A.clone()
 	lengthes.sub(B)
-	let el = document.createElement("a-box")
-	el.setAttribute("position", center )
-	el.setAttribute('target', '')
-	el.setAttribute('static-body', '')
-	//el.setAttribute("onpicked", 'e.detail.element.removeAttribute("dynamic-body")') // untested
-	//el.setAttribute("onreleased", 'e.detail.element.setAttribute("dynamic-body","")')
-	el.classList.add( generatorName )
-	el.setAttribute("scale", lengthes.toArray().map( i => Math.abs(i) ).join(" ") )
-	AFRAME.scenes[0].appendChild(el)
-}
+	let newEl = document.createElement("a-box")
+	newEl.setAttribute("position", center )
+	newEl.setAttribute('target', '')
+	newEl.setAttribute('static-body', '')
+	newEl.classList.add( "voxel" )
+	newEl.classList.add( generatorName )
+	newEl.classList.add( "voxel_" + generatorName )
+	newEl.setAttribute("scale", lengthes.toArray().map( i => Math.abs(i) ).join(" ") )
+	newEl.setAttribute("onreleased", "document.querySelector('["+generatorName+"]').emit('getVoxelPoses')")
+	AFRAME.scenes[0].appendChild(newEl)
+	// should parent to the component element instead...
+	return newEl
+  }
+})
 
 //___________________________________________________________________________________________________________________________________
 AFRAME.registerComponent('voxelpaint', {
@@ -561,6 +610,8 @@ AFRAME.registerComponent('fishinbowl', {
 
 //___________________________________________________________________________________________________________________________________
 let correctlyPlacedLetters = 0
+// should show the target or a box around the letter otherwise can be tricky to grab for some letters without a top left corner
+	// e.g B is easy, J is hard
 AFRAME.registerComponent('letterstoword', {
   init: function(){
 	correctlyPlacedLetters = 0
@@ -954,6 +1005,7 @@ AFRAME.registerComponent('idleafterload', {
       <a-troika-text anchor=left target value="instructions : \n--right pinch to move\n--left pinch to execute" position="0 1.65 -0.2" scale="0.1 0.1 0.1"></a-troika-text>
       
       <a-troika-text anchor=left value="jxr location.reload()" target position="-.5 1.30 0" rotation="0 40 0" scale="0.1 0.1 0.1"></a-troika-text>
+      <a-troika-text anchor=left value="jxr window.location.hash = ''" target position="-.5 1.40 0" rotation="0 40 0" scale="0.1 0.1 0.1"></a-troika-text>
 
       <a-console position="2 2 0" rotation="0 -45 0" font-size="34" height=1 skip-intro=true></a-console>