feat: implement attack/ultimate movement intent thresholds and player engagement idle logic in battle mode

Author: yogender-ai

app.min.js

@@ -79,6 +79,9 @@ const BATTLE_ARROW_HEAD = 170;
 const BATTLE_ARROW_RECOVER_TIME = 0.22;
 const BATTLE_DESPAWN_MARGIN = 360;
 const BATTLE_EXPLOSION_MASK = PERF_TIER >= 1.5 ? 31 : 63;
+const ATTACK_INTENT_SPEED = 2.4;
+const ULTIMATE_INTENT_SPEED = 7.5;
+const PLAYER_ENGAGED_MS = 4500;
 const BATTLE_TINT_P1 = { r: 0.44, g: 0.36, b: 1.0 };
 const BATTLE_TINT_P2 = { r: 0.82, g: 0.28, b: 1.0 };
 const BATTLE_EXPLOSION_DEFAULT = { r: 1, g: 0.7, b: 0.2 };
@@ -129,7 +132,8 @@ const battle = {
     explosions: [],
     roundOver: false,
     roundResetTime: 0,
-    winner: null
+    winner: null,
+    lastPlayerActionAt: 0
 };
 
 // === AUDIO ===
@@ -266,6 +270,7 @@ function resetBattle() {
     battle.roundOver = false;
     battle.roundResetTime = 0;
     battle.winner = null;
+    battle.lastPlayerActionAt = 0;
 }
 
 function getBattleGesture(landmarks, isPinching) {
@@ -398,6 +403,7 @@ function tryFireChargedAttack(fighter) {
     const enemy = (fighter === battle.p1) ? battle.p2 : battle.p1;
     if (enemy.active && fighter.chargeAmount > 0.08) {
         fireBattleBeam(fighter, enemy, fighter.lastAttackGesture || 'normal');
+        if (fighter === battle.p1) battle.lastPlayerActionAt = Date.now();
     } else {
         fighter.chargeAmount = 0;
         fighter.charging = false;
@@ -424,7 +430,10 @@ function updateFighterFromHand(fighter, hand, landmarks) {
     fighter.shielding = isShielding;
     fighter.shieldStrength += ((isShielding ? 1.0 : 0) - fighter.shieldStrength) * 0.25;
 
-    const isAttacking = (gesture === 'pinch' || gesture === 'volley' || gesture === 'fireball');
+    const isDirectAttack = gesture === 'pinch';
+    const isGestureAttack = (gesture === 'volley' || gesture === 'fireball');
+    const hasAttackIntent = isDirectAttack || fighter.charging || hand.speed > ATTACK_INTENT_SPEED;
+    const isAttacking = isDirectAttack || (isGestureAttack && hasAttackIntent);
     const wasAttacking = fighter.charging;
 
     if (gesture === 'fist' && wasAttacking && !fighter.shielding) {
@@ -438,6 +447,7 @@ function updateFighterFromHand(fighter, hand, landmarks) {
         fighter.chargeAmount = Math.min(1, fighter.chargeAmount + (gesture === 'fireball' ? 0.025 : 0.032));
         fighter.pinchLossFrames = 0;
         fighter.lastAttackGesture = gesture;
+        if (fighter === battle.p1) battle.lastPlayerActionAt = Date.now();
     } else if (wasAttacking && !isAttacking && !fighter.shielding) {
         fighter.pinchLossFrames = (fighter.pinchLossFrames || 0) + 1;
         if (fighter.pinchLossFrames < 4) {
@@ -1133,7 +1143,8 @@ function updateBattleState(hasTwoHands) {
         }
         battle.p2.pos.lerp(battle.p2.targetPos, 0.01);
 
-        if (!battle.roundOver && battle.p1.active) {
+        const playerEngaged = battle.p1.charging || battle.p1.beam.active || Date.now() - battle.lastPlayerActionAt < PLAYER_ENGAGED_MS;
+        if (!battle.roundOver && battle.p1.active && playerEngaged) {
             if (!battle.p2.charging && Math.random() < 0.004) battle.p2.charging = true;
             if (battle.p2.charging) {
                 battle.p2.chargeAmount = Math.min(1, battle.p2.chargeAmount + 0.012);
@@ -1147,6 +1158,11 @@ function updateBattleState(hasTwoHands) {
                 if (battle.p2.shielding && Math.random() < 0.025) battle.p2.shielding = false;
                 battle.p2.shieldStrength += ((battle.p2.shielding ? 1.0 : 0) - battle.p2.shieldStrength) * 0.12;
             }
+        } else {
+            battle.p2.charging = false;
+            battle.p2.chargeAmount *= 0.88;
+            battle.p2.shielding = false;
+            battle.p2.shieldStrength *= 0.9;
         }
     } else {
         if (hasTwoHands) {
@@ -1173,7 +1189,8 @@ function updateBattleState(hasTwoHands) {
     }
 
     // ULTIMATE DIAMOND COMBO DETECT (works in both Battle and Survival if you use 2 hands)
-    if (battleModeActive && !battle.roundOver && comboCount >= 0 && hands.left.active && hands.right.active) {
+    const ultimateIntent = (hands.left.pinch && hands.right.pinch) || (hands.left.speed + hands.right.speed) > ULTIMATE_INTENT_SPEED;
+    if (battleModeActive && !battle.roundOver && comboCount >= 0 && hands.left.active && hands.right.active && ultimateIntent) {
         const dx = hands.left.pos.x - hands.right.pos.x;
         const dy = hands.left.pos.y - hands.right.pos.y;
         const distSq = dx * dx + dy * dy;
@@ -1257,7 +1274,8 @@ function animate() {
     const p2BeamPush = 5 + p2Beam.power * 7;
 
     // Supernova trigger (duel mode)
-    if (isDuelMode && hasTwoHands) {
+    const duelIntent = (hands.left.pinch && hands.right.pinch) || (hands.left.speed + hands.right.speed) > ULTIMATE_INTENT_SPEED;
+    if (isDuelMode && hasTwoHands && duelIntent) {
         const ax = hands.right.pos.x - hands.left.pos.x;
         const ay = hands.right.pos.y - hands.left.pos.y;
         const az = hands.right.pos.z - hands.left.pos.z;

index.html

@@ -40,7 +40,7 @@
         <span class="ico">✋</span> Swarm: 1 finger &nbsp;•&nbsp;
         <span class="ico">✌️</span> Duel: 2 hands &nbsp;•&nbsp;
         <span class="ico">🤏</span> Pinch = boost &nbsp;•&nbsp;
-        <span class="ico">⚔️</span> Battle: pinch/3/open = charge, fist/release = fire, 2 fingers = shield &nbsp;•&nbsp;
+        <span class="ico">⚔️</span> Battle: pinch or move with 3/open = charge, fist/release = fire &nbsp;•&nbsp;
         <span class="ico">🎵</span> Audio reacts to music
     </div>
 
@@ -67,7 +67,7 @@
         <strong>Manual</strong>
         <p><b>Swarm</b> — show one index finger and move it around.</p>
         <p><b>Duel</b> — needs two hands; particles split into two swarms following each index finger.</p>
-        <p><b>Battle ⚡</b> — pinch, 3 fingers, or open hand to charge; make a fist or release to fire. Index + middle fingers shield.</p>
+        <p><b>Battle ⚡</b> — pinch to charge, or move your hand with 3 fingers/open hand; make a fist or release to fire. Index + middle fingers shield.</p>
         <p><b>Pinch</b> — boosts that hand's gravity 3×, particles glow gold.</p>
         <p><b>Supernova 💥</b> — in Duel mode, bring hands close together to detonate.</p>
         <p><b>Beat-Drop 🎵</b> — load music or use mic; particles pulse to bass and beats.</p>
@@ -115,7 +115,7 @@
 
     <div id="footer">Created by <b>Yogender</b> · Quantum Flux v2.1</div>
 
-    <script src="app.min.js?v=2.3.5"></script>
+    <script src="app.min.js?v=2.3.6"></script>
 </body>
 
 </html>