fix: player jump mismatch with original game

src/config/game/prefabs/player.js

@@ -17,7 +17,11 @@ const PLAYER = {
   },
   JUMP: {
     VELOCITY: {
-      Y: 1675 * -1,
+      MAX: 1500,
+      START: 1500 * 0.9 * -1,
+      SPEED_FALL: 1500 * 0.75,
+      INCREASE_INCREMENT: 75 * -1,
+      INCREASE_THRESHOLD: 200 * -1,
     },
     ACCELERATION: 3200,
   },

src/prefabs/horizon/obstacles/bird/AnimationManager.js

@@ -53,10 +53,9 @@ class AnimationManager {
     const bodyZoneXOffset = 12;
     const bodyZoneYOffset = 12;
 
-    // set body offset & size to match sprite pos & size
+    // Resize body to match frame dimensions
     if (name === AnimationManager.CONFIG.FRAMES.FLYING[0]) {
       const frameYOffset = 12;
-
       body.setSize(bodyZoneWidth, bodyZoneHeight);
       body.setOffset(bodyZoneXOffset, frameYOffset + bodyZoneYOffset);
     } else if (name === AnimationManager.CONFIG.FRAMES.FLYING[1]) {

src/prefabs/player/InputManager.js

@@ -31,8 +31,17 @@ class InputManager {
       } else {
         player.run();
       }
-    } else {
-      player.idle();
+      return;
+    }
+
+    if (!player.isOnFloor) {
+      if (this.isDuckKeyPressed) {
+        player.speedFall();
+      } else if (this.isJumpKeyPressed) {
+        player.jump();
+      } else {
+        player.idle();
+      }
     }
   }
 

src/prefabs/player/PhysicsManager.js

@@ -18,8 +18,10 @@ class PhysicsManager {
     // Init physics
     this.scene.physics.world.enable(player);
     player.setCollideWorldBounds(true);
-    player.setGravityY(PhysicsManager.CONFIG.GRAVITY.Y);
+    player.setGravityY(PhysicsManager.CONFIG.GRAVITY.Y * 2);
     player.setAccelerationY(PhysicsManager.CONFIG.JUMP.ACCELERATION);
+    // player.setAccelerationY(5000);
+    player.setMaxVelocity(0, PhysicsManager.CONFIG.JUMP.VELOCITY.MAX);
   }
 
   /**
@@ -35,7 +37,26 @@ class PhysicsManager {
    * Handle player jump
    */
   jump() {
-    this.player.setVelocityY(PhysicsManager.CONFIG.JUMP.VELOCITY.Y);
+    // Handle jumping while on floor
+    if (this.isOnFloor) {
+      // this.player.setVelocityY(PhysicsManager.CONFIG.JUMP.VELOCITY.MAX * -1);
+      this.player.setVelocityY(PhysicsManager.CONFIG.JUMP.VELOCITY.START);
+      return;
+    }
+
+    // Handle jumping while mid-air
+    const { INCREASE_THRESHOLD, INCREASE_INCREMENT } = PhysicsManager.CONFIG.JUMP.VELOCITY;
+    const velocityY = this.player.body.velocity.y;
+    if (velocityY < INCREASE_THRESHOLD) {
+      this.player.setVelocityY(velocityY + INCREASE_INCREMENT);
+    }
+  }
+
+  /**
+   * Handle speed fall
+   */
+  speedFall() {
+    this.player.setVelocityY(PhysicsManager.CONFIG.JUMP.VELOCITY.SPEED_FALL);
   }
 
   /**

src/prefabs/player/Player.js

@@ -96,20 +96,27 @@ class Player extends Phaser.Physics.Arcade.Sprite {
    * Set player jumping
    */
   jump() {
-    // Allow intro to start after 1st landing
-    if (!this.isInitialJump && this.scene.intro.isWaiting) {
+    // Allow intro to start after 1st landing even if holding jump key
+    if (this.isOnFloor && !this.isInitialJump && this.scene.intro.isWaiting) {
       this.run();
       return;
     }
     this.isInitialJump = false;
 
     this.setState(Player.CONFIG.STATES.JUMPING);
     this.physicsManager.jump();
-    if (!this.scene.intro.isWaiting) {
+    if (!this.scene.intro.isWaiting && this.isOnFloor) {
       this.scene.events.emit(CONFIG.EVENTS.PLAYER_ACTION);
     }
   }
 
+  /**
+   * Set player speed fall
+   */
+  speedFall() {
+    this.physicsManager.speedFall();
+  }
+
   /**
    * Set player dead | Handle gameover
    */