Add project code

objects/o_arrow/Step_0.gml

@@ -0,0 +1,44 @@
+if pause_movement() { exit; }
+
+switch(state) {
+	case 0:
+		if instance_exists(o_player) {
+			bullet_dir = point_direction(x, y, o_player.x, o_player.y);
+		}
+		
+		depth = -y - 50;
+	break;
+	
+	case 1:
+		if (!is_exploding) {
+			// Calculate movement
+			var bullet_x_spd = lengthdir_x(bullet_spd, bullet_dir);
+			var bullet_y_spd = lengthdir_y(bullet_spd, bullet_dir);
+
+			// Move the fireball
+			x += bullet_x_spd;
+			y += bullet_y_spd;
+		
+			depth = -y;
+		
+			if hit_confirmed && !pass_through_enemy {
+				destroy_projectile()
+			}
+
+			// Check for collision with solid wall
+			if place_meeting(x, y, o_solid_wall) {
+				destroy_projectile();
+			}
+
+			// Check if fireball has traveled too far
+			if point_distance(start_x, start_y, x, y) > max_distance {
+				destroy_projectile();
+			}
+			
+			if bbox_right < 0 || bbox_left > room_width || bbox_bottom < 0 || bbox_top > room_height {
+				destroy_projectile();
+			}
+			
+		}
+	break;
+}