diff options
Diffstat (limited to 'ps_hanging.gd')
| -rw-r--r-- | ps_hanging.gd | 121 |
1 files changed, 66 insertions, 55 deletions
diff --git a/ps_hanging.gd b/ps_hanging.gd index f79a172..d0a772d 100644 --- a/ps_hanging.gd +++ b/ps_hanging.gd @@ -5,13 +5,21 @@ var target: HookHanging var t: float var L: float var theta0: float -var line2D: Line2D +var last_theta: float +var w: float +var tongue: Line2D + +var travel_from: Vector2 +var travel_to: Vector2 + +var T_mlem: float = 0.2 +var T_travel: float = 0.1 enum S { MLEMING, TRAVELING, HANGING } var state: S = S.MLEMING func _to_string() -> String: - return "PlayerStateHanging (%s)" % S.keys()[state] + return "PlayerStateHanging %s, θ₀ = %f" % [S.keys()[state], theta0] static func can_hang_from(p: Player, target: HookHanging) -> bool: var d = target.global_position - p.global_position @@ -24,35 +32,19 @@ func initialize(p: Player, h_target: HookHanging, h_dist: float): t = 0 L = h_dist target = h_target + w = sqrt(p.gravity / L) * 0.8 - # Add tongue line - line2D = Line2D.new() - line2D.width = 2 - line2D.add_point(Vector2.ZERO) - line2D.add_point(Vector2.ZERO) # set in movement handler - target.add_child(line2D) - - var hyp = target.global_position - p.global_position - var sign_x = sign(hyp.x) - var angle_below_horiz = 15 - var angle_below_horiz_r = deg_to_rad(angle_below_horiz) - var tweening_target_point = target.global_position \ - - Vector2(sign_x * L * cos(angle_below_horiz_r), - -L * sin(angle_below_horiz_r)) - - # if player is above the hook, we need to tween to horizontal - if tweening_target_point.y - p.global_position.y > 0: - state = S.TRAVELING - return - - state = S.HANGING - - theta0 = atan2(-hyp.y, hyp.x) - PI/2 - if theta0 < -PI: theta0 += 2*PI - print_debug("hyp: ", hyp, ", theta0: ", theta0) + var d = target.global_position - p.global_position + var flip = d.x < 0 + p.get_node("AnimatedSprite2D").flip_h = flip + d + state = S.MLEMING -func _handle(_p: Player, _delta: float): - pass +func _handle(p: Player, _delta: float): + if Input.is_action_just_pressed("move_left"): + p.get_node("AnimatedSprite2D").flip_h = true + if Input.is_action_just_pressed("move_right"): + p.get_node("AnimatedSprite2D").flip_h = false func _handle_physics(p: Player, delta: float): match state: @@ -62,43 +54,62 @@ func _handle_physics(p: Player, delta: float): _: print_debug("_handle_physics: unknown state %s" % str(state)) func _mlem(p: Player, delta: float): - pass + t += delta + var d = target.global_position - p.global_position + + # Add tongue line + if not tongue: + tongue = Line2D.new() + tongue.width = 2 + tongue.add_point(-d) + tongue.add_point(-d) + target.add_child(tongue) + + # Update one end to be at player + tongue.points[0] = -d + tongue.points[1] = (t / T_mlem - 1) * d + + if t >= T_mlem: + tongue.points[1] = Vector2.ZERO + state = S.TRAVELING + travel_from = p.global_position + travel_to = target.global_position - d.normalized() * L + t = 0 func _travel(p: Player, delta: float): - var tween_speed = p.jump_strength - var hyp = target.global_position - p.global_position - var sign_x = sign(hyp.x) - - var angle_below_horiz = 15 - var angle_below_horiz_r = deg_to_rad(angle_below_horiz) - var tweening_target_point = target.global_position \ - - Vector2(sign_x * L * cos(angle_below_horiz_r), - -L * sin(angle_below_horiz_r)) + t += delta + p.global_position = travel_from + (t / T_travel) * (travel_to - travel_from) - var tween_hyp = tweening_target_point - p.global_position - var tween_dir: Vector2 = tween_hyp.normalized() - var v: Vector2 = tween_dir * tween_speed - var s: Vector2 = v * delta + var d = target.global_position - p.global_position + tongue.points[0] = -d - if tween_hyp.length() < s.length(): + # If we're traveling in the right direction, then travel + if t >= T_travel: + p.global_position = travel_to state = S.HANGING - theta0 = deg_to_rad(-sign_x * (90 - angle_below_horiz)) - else: - p.position += s - - line2D.points[1] = p.global_position - target.global_position + theta0 = atan2(-d.y, -d.x) - PI / 2 + if theta0 > PI: theta0 -= 2 * PI + if theta0 < -PI: theta0 += 2 * PI + last_theta = theta0 + t = 0 func _hang(p: Player, delta: float): + var d = target.global_position - p.global_position + tongue.points[0] = -d + t += delta if Input.is_action_just_pressed("jump"): p.velocity.y = -p.jump_strength - line2D.queue_free() + tongue.queue_free() p.set_movement_normal() - var omega = sqrt(p.gravity / L) - var theta = theta0 * cos(t * omega) - p.global_position.x = target.global_position.x + L * sin(theta) - p.global_position.y = target.global_position.y + L * cos(theta) + var theta = theta0 * cos(t * w) + + if sign(theta) != sign(last_theta) and abs(theta0) > PI / 2: + theta0 = sign(theta0) * PI / 2 + + p.global_position.x = target.global_position.x + L * cos(theta + PI / 2) + p.global_position.y = target.global_position.y + L * sin(theta + PI / 2) - line2D.points[1] = p.global_position - target.global_position + last_theta = theta |