The tileset gained a second physics layer (collision_layer 2) and the rope tile (11,4) now carries its 18x6 polygon on that layer instead of layer 0, so it is invisible to anything that does not ask for layer 2. The player's mask stays 1 and the key copies it, so both fall straight through ropes; the bullet probe mask went from 1 to 3 so falling bullets are stopped by them. New bullet_rain prefab drops bullets at random x across the level on a jittered timer, sparse by default (1.0s +- 0.6s), and level 3 places one spanning the whole width. Level 3 has no lasers, and level 2's clear screen now leads into it.
The user did not want anything firing: the bullets should simply exist in the air as fixed obstacles. bullet_ring (the emitter) is deleted and bullet_field takes its place. bullet_field generates concentric rings of frozen bullets centred on itself, radii given in cells (default 5/10/15), and skips bullets that fall outside the level bounds or land inside solid tiles so nothing is buried in the terrain. Each bullet is a StaticBody2D on the world layer, so it blocks the player and can be stood on; damage defaults to 0 (pure obstacle) and can be raised to turn them into hazards.
walker.gd lost its firing code entirely: monsters now only patrol and hurt on contact, so the only way past is footwork or the key throw + W warp. New bullet_ring prefab fires a set number of bullets evenly spread over a fixed arc on a timer, with directions derived only from its own exports, so every volley is identical and the pattern can be memorised; the level places one at cell (12,12) aimed upward with the 12 bullets spread over 180 degrees. laser.gd gained always_on, defaulting to true, so the five copied lasers are now static hazards that are always lit and damage anything overlapping them rather than blinking on and off. Bullets now stop when they spawn inside terrain.
Removed the stomp-kill from walker.gd: landing on an enemy now just costs a heart like any other contact, so the only way past is to weave through the pattern or use the key throw + W warp. Enemies fire a fan of bullets every fire_interval whose directions are computed only from the facing and the exported spread, never from the player, so every volley traces the identical path and can be memorised. Bullets are code-generated circles (no art needed), die on hitting terrain via a probe raycast, and are freed after their lifetime. New laser prefab cycles wait -> blinking warmup -> firing, and only damages during the firing phase.
New walker prefab (mushroom_red sprite) patrols a platform, turns at walls and ledges, drains a heart on contact and dies when stomped, bouncing the player up. Three are placed in level2. The level 2 spawn point is set to cell (7,11) so the player starts standing on the floor instead of falling in from mid-air, and level 1's LevelClear now loads level2.tscn.
The three diamonds and both doors were painted as tiles in TerrainBase, which cannot act as pickups or triggers. Replaced them with real prefabs that reuse the same atlas tiles (diamond = (7,3), doors = (10,6) and (11,5)) and erase their placeholder tile on ready. Collecting all three diamonds unlocks the door; touching it fades to black, pauses the tree and shows the level-clear screen with a next-level button (currently reloads the level, as there is only one). HUD now shows the diamond count.
The two new spikes were painted as tiles in TerrainBase, but tileset collision can only make a solid wall, not a damaging hazard. Replaced them with a real spikes_grey prefab that uses the same atlas tile (8,3) plus hazard.gd, and erases the placeholder tile on ready. Also includes the level edits made in the editor (top-left terrain rework).
Player: move/jump (Space), test flight (F, debug builds only). Key: pickup, hold S to aim with live trajectory preview, release to throw, W to warp to the thrown key. Spring bounce. Spikes deal damage. 3-heart health, Z consumes a heal item for +1 heart and a 5s shield. HUD with hearts and item count. Death screen with fade-to-black and restart. Hidden passages. Assets: Kenney Pixel Platformer (CC0).
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