diff options
Diffstat (limited to 'scripts/turret.gd')
| -rw-r--r-- | scripts/turret.gd | 109 |
1 files changed, 81 insertions, 28 deletions
diff --git a/scripts/turret.gd b/scripts/turret.gd index cc90dd4..9dce497 100644 --- a/scripts/turret.gd +++ b/scripts/turret.gd @@ -1,28 +1,30 @@ extends Spatial -var _path -var _enemies -var _projectiles_holder +var _path : Node +var _enemies : Node +var _projectiles_holder : Node +var _enemies_holder : Node -var _base -var _gun -var _shooting_point -var _normal +var _base : Spatial +var _gun : Spatial +var _shooting_point : Vector3 +var _normal : Vector3 var aim_mode = "first" var _target = null -var _range = 10 +var projectile : PackedScene -var projectile +var info : Dictionary -var cooldown = 0.1 var cooldown_timer = 0 func _ready(): - _path = get_tree().root.get_child(0).find_node("path") - _enemies = get_tree().root.get_child(0).find_node("enemies") - _projectiles_holder = get_tree().root.get_child(0).find_node("projectiles") + var root = get_tree().root.get_child(0) + _path = root.get_node("path") + _enemies = root.get_node("enemies") + _projectiles_holder = root.get_node("projectiles") + _enemies_holder = root.find_node("enemies") projectile = load("res://scenes/projectiles/bullet.tscn") @@ -34,17 +36,20 @@ func refresh_model(): _base = get_node("model").find_node("pivot*").find_node("base*") _gun = _base.find_node("gun*") +func refresh_info(tinfo): + self.info = tinfo + func filter_in_range(set): var filtered = [] for target in set: var node = _enemies.node_from_id(target) var dist = (node.transform.origin - _shooting_point).length_squared() - if dist < _range*_range: + if dist < info.range*info.range: filtered += [target] return filtered func filter_visible(set): - var space: PhysicsDirectSpaceState = get_world().direct_space_state as PhysicsDirectSpaceState + var space: PhysicsDirectSpaceState = get_world().direct_space_state var from = _shooting_point var filtered = [] @@ -86,28 +91,76 @@ func _physics_process(delta): var direction = (enemy.transform.origin - _shooting_point).normalized() var proj_normal = direction - _normal.dot(direction) * _normal - var base_rot = Transform().looking_at(proj_normal, _normal).basis.get_rotation_quat() + var base_rot : Quat = Transform().looking_at(proj_normal, _normal).basis.get_rotation_quat() - var perp = proj_normal.cross(_normal).normalized() + var perp = -proj_normal.cross(_normal).normalized() var proj_forward = direction - perp.dot(direction) * perp - var gun_rot = Transform().looking_at(proj_forward, perp).basis.get_rotation_quat() + var gun_rot : Quat = Transform().looking_at(proj_forward, perp).basis.get_rotation_quat() gun_rot = Quat(direction, PI/2) * gun_rot + gun_rot = gun_rot.normalized() + gun_rot = base_rot.inverse() * gun_rot - _base.global_transform.basis = Basis(base_rot) - _gun.global_transform.basis = Basis(gun_rot) + var base_basis = _base.global_transform.basis.get_rotation_quat() + var base_angle = base_basis.angle_to(base_rot) + if base_angle > 0.01: + var base_amt = (info.turn_speed * delta) / base_angle + base_amt = min(1, base_amt) + _base.global_transform.basis = Basis(base_basis.slerp(Basis(base_rot), base_amt)) + + var gun_basis = _gun.transform.basis.get_rotation_quat() + var gun_angle = gun_basis.angle_to(gun_rot) + if gun_angle > 0.01: + var gun_amt = (info.turn_speed * delta) / gun_angle + gun_amt = min(1, gun_amt) + _gun.transform.basis = Basis(gun_basis.slerp(Basis(gun_rot), gun_amt)) cooldown_timer += delta - if cooldown_timer > cooldown: - cooldown_timer -= cooldown - shoot(direction) + if cooldown_timer > info.cooldown: + cooldown_timer -= info.cooldown + shoot() + +func spread (amt : int) -> Array: + var dirs = [] + var width : int = ceil(sqrt(amt)) + for i in amt: + var dir = _gun.global_transform.basis + var x = floor(i%width)-width/2+(width+1)%2*0.5 + var y = floor(i/width)-floor(sqrt(amt)-1)/2 + var spread = info.projectile.spread + dir = dir.rotated(_normal, deg2rad(x*spread)) + dir = dir.rotated(_normal.cross(dir.z).normalized(), deg2rad(y*spread)) + dirs.append(dir) + return dirs -func shoot (dir): - shoot_projectile(dir) +func shoot (): + if info.projectile.amount > 1: + for dir in spread(info.projectile.amount): + match info.projectile.type: + "bullet": shoot_bullet(dir) + "ray": shoot_ray(dir) + else: + match info.projectile.type: + "bullet": shoot_bullet(_gun.global_transform.basis) + "ray": shoot_ray(_gun.global_transform.basis) -func shoot_projectile (dir): +func shoot_bullet (dir : Basis): var instance = projectile.instance() _projectiles_holder.add_child(instance) - instance.transform = Transform().looking_at(dir, _normal) - instance.transform.origin = _shooting_point + dir*0.3; + instance.transform.basis = dir + instance.transform.origin = _shooting_point - dir.z*0.3; instance.shooter = self + instance.damage = info.damage + instance.speed = info.projectile.speed + +func shoot_ray (dir : Basis): + var space: PhysicsDirectSpaceState = get_world().direct_space_state + var from = _shooting_point + var to = _shooting_point - dir.z*info.range; + + var result = space.intersect_ray(from, to, _path.nodes, 1) + if result.size() > 0: + var parent = result.collider.get_parent() + var groups = parent.get_groups() + if "enemies" in groups: + _enemies_holder.damage(parent.name, info.damage) |