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75 lines
1.7 KiB
GDScript
75 lines
1.7 KiB
GDScript
extends RigidBody2D
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var _initial_velocity = Vector2.ZERO
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var _constant_velocity = Vector2.ZERO
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var _motion_speed = 400.0
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var _gravity_force = 50.0
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var _jump_force = 1000.0
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var _velocity = Vector2.ZERO
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var _floor_max_angle = 45.0
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var _on_floor = false
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var _jumping = false
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var _keep_velocity = false
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func _ready():
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gravity_scale = 0.0
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func _physics_process(_delta):
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if _initial_velocity != Vector2.ZERO:
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_velocity = _initial_velocity
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_initial_velocity = Vector2.ZERO
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_keep_velocity = true
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elif _constant_velocity != Vector2.ZERO:
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_velocity = _constant_velocity
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elif not _keep_velocity:
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_velocity.x = 0.0
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# Handle horizontal controls.
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if Input.is_action_pressed(&"character_left"):
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if position.x > 0.0:
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_velocity.x = -_motion_speed
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_keep_velocity = false
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_constant_velocity = Vector2.ZERO
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elif Input.is_action_pressed(&"character_right"):
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if position.x < 1024.0:
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_velocity.x = _motion_speed
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_keep_velocity = false
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_constant_velocity = Vector2.ZERO
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# Handle jump controls and gravity.
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if is_on_floor():
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if not _jumping and Input.is_action_just_pressed(&"character_jump"):
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# Start jumping.
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_jumping = true
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_velocity.y = -_jump_force
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elif not _jumping:
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# Reset gravity.
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_velocity.y = 0.0
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else:
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_velocity.y += _gravity_force
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_jumping = false
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linear_velocity = _velocity
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func _integrate_forces(state):
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_on_floor = false
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var contacts = state.get_contact_count()
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for i in contacts:
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var normal = state.get_contact_local_normal(i)
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# Detect floor.
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if acos(normal.dot(Vector2.UP)) <= deg_to_rad(_floor_max_angle) + 0.01:
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_on_floor = true
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# Detect ceiling.
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if acos(normal.dot(-Vector2.UP)) <= deg_to_rad(_floor_max_angle) + 0.01:
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_jumping = false
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_velocity.y = 0.0
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func is_on_floor():
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return _on_floor
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