agentIDs and raycasting like mad!

app/assets/styles/app.css

@@ -103,8 +103,6 @@ menu[eicmenu] [menuitem] > a > button, menu[eicmenu] [menuitem] > .nolink button
     overflow: hidden;
     z-index: 2;
     grid-template-rows: min-content 1fr;
-    max-height: 90vh;
-    max-width: 90vw;
     display: flex;
     flex-direction: column;
     border-radius: .3rem;

app/helpers/activeAttributes.js

@@ -39,7 +39,7 @@ app.helpers.activeAttributes = {
      * setupRefs is re-entrant: it can be called again after refreshing part of the view
      * @param {eicui-components []} components : the view's components (usually result of ui.eicfy(this.el) )
      */
-    setupRefs(components){ 
+    setupRefs(components = []){ 
         if(!this.components) this.components = {}
         for(let component of components.filter(component => component.el.hasAttribute('data-ref'))) {
             this.components[component.el.dataset.ref] = component
@@ -61,6 +61,7 @@ app.helpers.activeAttributes = {
         }        
     },
 
+
     /**
      * output (singular) : this.output('mydiv', '<p>Some markup</p>') places markup in a data-output node
      * @param {*} name 

app/helpers/helpers3D.module.js

@@ -110,4 +110,10 @@ app.helpers.helpers3D = {
         return pivot
     },
     
+    getNamedParent(obj) {
+        while (obj && !obj.name) {
+            obj = obj.parent
+        }
+        return obj
+    },
 }

app/views/editors/KeyframeView.html

@@ -57,7 +57,16 @@
     .kf-editor button[data-trigger="onResetKF"] { background-color: #A00; }    
     .kf-editor section[data-output="agentProperties"] label{ font-size: 0.9em; }
     .kf-editor section[data-output="agentProperties"] div.cols-2 { grid-template-columns: 4fr 3fr; }
-    
+    .kf-editor div[data-output="agentId"] {
+        border: 1px solid #574;
+        border-radius: 5px;
+        background-color: #231;
+        box-shadow: 0px 0px 7px #0B69;
+        height: 2em;
+        padding: .2em 5px .2em 5px;
+        margin-top: 1em;
+        font-size: .8em;
+    }
 </style>
 <div class="kf-editor cols-3">
     <article eiccard class="agent-preview">

app/views/editors/KeyframeView.js

@@ -42,6 +42,7 @@ class KeyframeView extends WindozDomContent {
         this.agentPreview.animation = true
 
         this.kfArena = new app.LoadedModules.kfArena(this.outputs.kfArenaCanvas, this.agentSprites)
+        this.kfArena.onclickAgent = this.onclickAgent.bind(this)
         this.kfArena.startRendering()
        
         this.outputs.btnAddAgent.disabled = true
@@ -53,20 +54,37 @@ class KeyframeView extends WindozDomContent {
         if(this.outputs.agentsSelector.value) this.agentPreview.setAgent(this.outputs.agentsSelector.value)
         if(!this.outputs.agentsSelector.value) return
         const agent = await this.models.agents.getProperties(this.outputs.agentsSelector.value)
-        this.fillAgentProperties(agent.atp_props)
+        this.fillAgentProperties('', agent.atp_props)
+    }
+
+    onclickAgent(aid){
+        console.log('Agent clicked:', aid)
+        this.updateKfButtons()
     }
 
     onAddAgent(event){
+        //TODO prevent collisions !
+
         const aid = crypto.randomUUIDv7()
+        this.output('agentId', `ID: ${aid}`)
         this.kfArena.addAgent(this.outputs.agentsSelector.value, aid, {
+            position: {
                 x: document.querySelector('[name="position.x"]').value,
                 y: document.querySelector('[name="position.y"]').value,
                 z: document.querySelector('[name="position.z"]').value,
+            }
         })
+        this.updateKfButtons()
     }
 
-    fillAgentProperties(agentProps){ 
+    updateKfButtons(){
-        this.outputs.agentProperties.innerHTML=''
+        if(this.kfArena.agents.length > 0) this.outputs.btnSaveKF.disabled = false  
+    }
+
+    fillAgentProperties(aid, agentProps){ 
+        this.outputs.agentProperties.innerHTML = `
+            <div data-output="agentId">ID: ${aid}</div>
+        `
         this.outputs.agentProperties.append(...this.fieldsFromJSON(agentProps, 'Internal properties'))
         this.outputs.agentProperties.append(...this.fieldsFromJSON({
             "position.x": {
@@ -103,8 +121,10 @@ class KeyframeView extends WindozDomContent {
             },
         }, 'Speed vector'))
         this.outputs.btnAddAgent.disabled = false
+        this.setupRefs()
     }
 
+
 }
 
 app.registerClass('KeyframeView', KeyframeView)

app/views/editors/modules/kfArena.module.js

@@ -13,6 +13,9 @@ export class kfArena{
         this.mode = '3D'
         this.sceneSize = app.Assets.Store.json.arenaConfig.arenaSize
         this.initScene()
+        this.raycaster = new THREE.Raycaster()
+        this.agents = []
+        this.onclickAgent = null
     }
     
     initScene(){
@@ -55,6 +58,7 @@ export class kfArena{
         this.scene.add(this.axes)        
         
         this.renderer = new THREE.WebGLRenderer({ antialias: true, canvas: this.canvasEl })
+        this.canvasEl.addEventListener('click', this.onSceneClick.bind(this))
     }
     
     startRendering(){
@@ -98,21 +102,50 @@ export class kfArena{
         }
     }
         
-    addAgent(typeId, aid, position){ 
+    
+    onSceneClick(event){ // ray from the mouse, through the camera lens, to find the first (most foreground) object
+        if(typeof(this.onclickAgent) != 'function') return
+        const normalizedPointer = new THREE.Vector2()
+        const rect = this.canvasEl.getBoundingClientRect()       
+        normalizedPointer.x = ((event.clientX - rect.left) / rect.width) * 2 - 1
+        normalizedPointer.y = -((event.clientY - rect.top) / rect.height) * 2 + 1
+        this.raycaster.setFromCamera(normalizedPointer, this.camera)
+        const intersects = this.raycaster.intersectObjects(this.scene.children, true)
+
+        if (intersects.length > 0) {
+            const hit = this.getNamedParent(intersects[0].object)
+            if(hit) this.onclickAgent(hit.name)
+        } 
+    }
+    
+    
+    addAgent(typeId, aid, properties){ 
         const agentSprite = this.agentSprites.find(item => item.atp_id==typeId)
         if(!agentSprite) return
         const agentObj = this.agentFromJSON(aid, agentSprite.asp_3d)
         
-        agentObj.position.set(position.x, position.z, position.y )
+        agentObj.position.set(properties.position.x, properties.position.z, properties.position.y )
+        //TODO Speed vector
         this.scene.add(agentObj)
+        
+        this.agents.push({
+            aid: aid,
+            props: properties,
+        })
     }
     
-    removeAgent(id){ 
+    removeAgent(aid){ 
-        //find obj by id
+        const obj3d = scene.getObjectByName(aid)
-        //this.scene.remove(this.currentAgentObj)
+        this.scene.remove(obj3d)
+        this.agents = this.agents.filter(a => a.aid !== aid)
     }
+    
+    // getAllAgents(){
+    //     const agents = []
+    //     scene.traverse(o => o.name && names.push(o.name))
 }
 
+
 // Make this module available to common JS
 if(!app.LoadedModules) app.LoadedModules = {}
 app.LoadedModules.kfArena = kfArena