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Integrate beginning of shot angle calculation.

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This commit is contained in:
Henry Faber 2026-06-15 16:53:15 +01:00
parent 54efa89e4e
commit 029175ccde
2 changed files with 56 additions and 18 deletions
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2
resources/weapon_shot.gd
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@ -15,3 +15,5 @@ extends Resource
@export_category("Stagger")
@export var horizontal_offset: float = 6.5 # Horizontal distance between projectiles
@export var stagger_offset: float = 5 # Time delay per projectile index
@export var firing_angle: float = 0.0 # Angle in degrees (0 = straight up, positive = angled right)
@export var num_groups: int = 1 # Number of symmetrical groups to fire (1 = single direction, 2 = left/right, 3 = left/center/right)

72
scripts/shoot_component.gd
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@ -17,30 +17,66 @@ func shoot():
var center_index = (total_projectiles - 1) / 2.0
if total_projectiles > 0:
for b in range(total_projectiles):
var bullet_scene = weapon_data.bullet_scene
var bullet := bullet_scene.instantiate() as Node
get_tree().root.add_child(bullet)
for group in range(weapon_data.num_groups):
# Calculate projectile indices for this group
# For 1 group: 0..N-1
# For 2 groups: 0..N/2-1 and N/2..N-1
# For 3 groups: 0..N/3-1 and N/3..2N/3-1 and 2N/3..N-1
var group_start: int
var group_end: int
# Calculate index relative to center (0 = center, -1/+1 = first from center)
var index_from_center: float = b - center_index
if weapon_data.num_groups == 1:
group_start = 0
group_end = total_projectiles
elif weapon_data.num_groups == 2:
group_start = 0
group_end = total_projectiles / 2 if total_projectiles % 2 == 0 else (total_projectiles - 1) / 2
elif weapon_data.num_groups == 3:
var third = total_projectiles / 3
group_start = 0
group_end = third if third > 0 else 1
else:
continue # Skip if weapon_data.num_groups > 3
# Calculate timing offset for staggered firing
var time_offset: float = index_from_center * stagger_offset
for b in range(group_start, group_end):
var bullet_scene = weapon_data.bullet_scene
var bullet := bullet_scene.instantiate() as Node
get_tree().root.add_child(bullet)
# Calculate horizontal offset for this bullet (symmetrical: left=-ve, right=+ve)
var bullet_horizontal_offset: float = index_from_center * weapon_data.horizontal_offset
# Calculate index relative to group center for staggering
var group_center: float = (group_start + group_end - 1) / 2.0
var index_from_center: float = b - group_center
# Calculate vertical offset from center point (symmetrical vertical spread)
var distance_from_center: float = abs(index_from_center)
var vertical_offset: float = (distance_from_center * weapon_data.origin * -1) / 2
# Calculate timing offset for staggered firing
var time_offset: float = abs(index_from_center) * stagger_offset
# Final position combines symmetrical horizontal spread with symmetrical vertical spacing
bullet.position = player.position + Vector2(bullet_horizontal_offset, weapon_data.origin + (vertical_offset + weapon_data.origin - total_projectiles))
# Calculate horizontal offset for this bullet (symmetrical within group)
var bullet_horizontal_offset: float = index_from_center * weapon_data.horizontal_offset
# Set timing properties on the bullet
bullet.time_offset = time_offset
bullet.fire_time = current_time + time_offset
# Calculate vertical offset from center point (symmetrical vertical spread within group)
var distance_from_center: float = abs(index_from_center)
var vertical_offset: float = (distance_from_center * weapon_data.origin * -1) / 2
# Calculate final position based on firing angle using polar coordinates
var angle_rad: float = weapon_data.firing_angle * 0.0174533 # Convert degrees to radians
var spread_angle: float = -weapon_data.firing_angle * 0.0174533 # Spread opposite to firing angle
# Calculate position using polar coordinates from player origin
var origin_x: float = weapon_data.origin * 0.5 # Distribute origin horizontally
var origin_y: float = weapon_data.origin
var pos_x: float = player.position.x + origin_x + bullet_horizontal_offset
var pos_y: float = player.position.y + origin_y + vertical_offset
# Apply angular offset
var angle_offset_x: float = -weapon_data.origin * sin(spread_angle)
var angle_offset_y: float = -weapon_data.origin * cos(spread_angle)
bullet.position = Vector2(pos_x + angle_offset_x, pos_y + angle_offset_y)
# Set timing properties on the bullet
bullet.time_offset = time_offset
bullet.fire_time = current_time + time_offset
# Subtract projectile spacing from current Player travel for next shot
player.travel -= weapon_data.spacing