How to make ball not launch me at light speed

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1

Godot Version

Godot 4

Question

Help Programming Physics

I have this problem where when I jump on top of a sphere, I get launched at insane speeds.

I want that sphere to be able to roll down slides and be able to interact with other blocks, but I don’t want the player to be launched after going on top of the sphere, I want the player to move based on how the sphere is moving without getting launched away with unnecessary strength.

Any help is appreciated, thanks in advance

2

What’s your player movement code look like? There might be something adding additional speed in there.

1 Like
3

The only thing that I modified from the base settings is that I added a ledge detector that boosts me up of a couple pixels when I meet a ledge where I would have gotten stuck even if it was really, really short (I also modified the hitbox and the sprite of the player since the video I posted on the top of the thread, so you can also skip all animation stuff and moving hitbox/area2Ds

Inside the blocks code, there is only a function that adds the blocks to the “pushable” group

Here is my full player script

extends CharacterBody2D

#VARIABLES AND CONSTANTS
const SPEED:float = 90.0
const JUMP_VELOCITY:float = -300.0
const PUSH_FORCE:float = 50
const MAX_PUSH:float = 60
var RAY_LENGHT:int
var ON:bool = false

var fallDamage:bool = false;

var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")

func _ready() -> void:
	RAY_LENGHT = $lowRay.target_position.x
	
func _physics_process(delta) -> void:
	if is_on_floor() and fallDamage: 
		explode()
		fallDamage = false
	if not is_on_floor():
		if $fallTime.is_stopped() and !fallDamage: 
			$fallTime.start() #Starts a timer that controls fall damage
		if (velocity.y<270): 
			velocity.y += gravity * delta
		else: 
			velocity.y = 270
			if $fallTime.time_left <= 0.05: fallDamage = true
	
	if is_on_floor(): 
		$fallTime.stop() #If the robot touches the ground, the fall damage timer resets
	
	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
		velocity.y = JUMP_VELOCITY

	#MOVEMENT FOR TESTING, FINAL VERSION HAS AUTOMATIC MOVEMENT
	var direction = Input.get_axis("ui_left", "ui_right")
	if direction:
		$AnimatedSprite2D.play("walk")
		velocity.x = direction * SPEED
		if velocity.x > 0: #FORWARD
			$CollisionPolygon2D.scale.x = 1
			$Area2D/CollisionShape2D.position.x = -11.5
			$AnimatedSprite2D.flip_h = false
			$lowRay.target_position.x = RAY_LENGHT
			$highRay.target_position.x = RAY_LENGHT
		else: #BACKWARDS
			$CollisionPolygon2D.scale.x = -1
			$Area2D/CollisionShape2D.position.x = 11.5
			$AnimatedSprite2D.flip_h = true
			$lowRay.target_position.x = -RAY_LENGHT
			$highRay.target_position.x = -RAY_LENGHT
		if($lowRay.is_colliding() and !$highRay.is_colliding()): #ledge detection
			velocity.y = -40
	else:
		$AnimatedSprite2D.play("idle")
		velocity.x = move_toward(velocity.x, 0, SPEED)
		
	#PUSHING BLOCKS
	for i in get_slide_collision_count():
		var collision = get_slide_collision(i)
		var collision_box = collision.get_collider()
		if collision_box.is_in_group("pushable") and abs(collision_box.get_linear_velocity().x) < MAX_PUSH:
			collision_box.apply_central_impulse(collision.get_normal() * -PUSH_FORCE)
	move_and_slide()

func explode() -> void:
	$explosion.play()
4

hmm, it might be related to the apply_central_impulse during pushing blocks? that might be applying some impulse back to the player too.