mirror of
https://github.com/godotengine/godot-demo-projects.git
synced 2025-12-16 05:20:06 +01:00
0343cedd48
* General proofreading for grammar and spelling * General formatting * Addition of appropriate literals where appropriate, i.e. `&"foo"` for `StringName` cases and `^"foo/bar"` for `NodePath` cases
75 lines
2.5 KiB
GDScript
75 lines
2.5 KiB
GDScript
extends CharacterBody3D
|
|
|
|
signal hit
|
|
|
|
## How fast the player moves in meters per second.
|
|
@export var speed = 14
|
|
## Vertical impulse applied to the character upon jumping in meters per second.
|
|
@export var jump_impulse = 20
|
|
## Vertical impulse applied to the character upon bouncing over a mob in meters per second.
|
|
@export var bounce_impulse = 16
|
|
## The downward acceleration when in the air, in meters per second.
|
|
@export var fall_acceleration = 75
|
|
|
|
|
|
func _physics_process(delta):
|
|
var direction = Vector3.ZERO
|
|
if Input.is_action_pressed(&"move_right"):
|
|
direction.x += 1
|
|
if Input.is_action_pressed(&"move_left"):
|
|
direction.x -= 1
|
|
if Input.is_action_pressed(&"move_back"):
|
|
direction.z += 1
|
|
if Input.is_action_pressed(&"move_forward"):
|
|
direction.z -= 1
|
|
|
|
if direction != Vector3.ZERO:
|
|
# In the lines below, we turn the character when moving and make the animation play faster.
|
|
direction = direction.normalized()
|
|
# Setting the basis property will affect the rotation of the node.
|
|
basis = Basis.looking_at(direction)
|
|
$AnimationPlayer.speed_scale = 4
|
|
else:
|
|
$AnimationPlayer.speed_scale = 1
|
|
|
|
velocity.x = direction.x * speed
|
|
velocity.z = direction.z * speed
|
|
|
|
# Jumping.
|
|
if is_on_floor() and Input.is_action_just_pressed(&"jump"):
|
|
velocity.y += jump_impulse
|
|
|
|
# We apply gravity every frame so the character always collides with the ground when moving.
|
|
# This is necessary for the is_on_floor() function to work as a body can always detect
|
|
# the floor, walls, etc. when a collision happens the same frame.
|
|
velocity.y -= fall_acceleration * delta
|
|
move_and_slide()
|
|
|
|
# Here, we check if we landed on top of a mob and if so, we kill it and bounce.
|
|
# With move_and_slide(), Godot makes the body move sometimes multiple times in a row to
|
|
# smooth out the character's motion. So we have to loop over all collisions that may have
|
|
# happened.
|
|
# If there are no "slides" this frame, the loop below won't run.
|
|
for index in range(get_slide_collision_count()):
|
|
var collision = get_slide_collision(index)
|
|
if collision.get_collider().is_in_group(&"mob"):
|
|
var mob = collision.get_collider()
|
|
if Vector3.UP.dot(collision.get_normal()) > 0.1:
|
|
mob.squash()
|
|
velocity.y = bounce_impulse
|
|
# Prevent this block from running more than once,
|
|
# which would award the player more than 1 point for squashing a single mob.
|
|
break
|
|
|
|
# This makes the character follow a nice arc when jumping
|
|
rotation.x = PI / 6 * velocity.y / jump_impulse
|
|
|
|
|
|
func die():
|
|
hit.emit()
|
|
queue_free()
|
|
|
|
|
|
func _on_MobDetector_body_entered(_body):
|
|
die()
|