new weapons: napalm and baby napalm

README.md

@@ -10,29 +10,79 @@ A modern [Scorched Earth](https://en.wikipedia.org/wiki/Scorched_Earth_(video_ga
 
 Tanks take turns to shoot at other tanks. The last surviving tank wins the round. Player 1 (red) is controlled via the keyboard, while other players are randomly-picked AIs.
 
+Use the start menu to configure players (2-6), rounds (1/3/5/10), and terrain type before each battle. Between rounds, visit the market to spend your score on weapons.
+
+Napalm weapons create fire that spreads across the terrain. Fire burns for 3 seconds, damages tanks positioned on or adjacent to burning terrain, and can fill depressions like liquid.
+
+### Controls
+
 | Key | Function | With Shift | With Alt |
 |-|-|-|-|
 | Up/Down | Increase/decrease firing power | Increase/decrease by 10 | Increase/decrease slowly |
 | Left/Right | Aim higher/lower | Increase/decrease by 10 | Increase/decrease slowly |
 | Tab | Switch to your next weapon | Switch to your previous weapon | |
+| Space | Fire | | |
+
+### Market controls
+
+| Key | Function |
+|-|-|
+| Up/Down | Navigate items |
+| Right | Buy item |
+| Left | Sell item (full price refund) |
+| Enter | Start round |
 
 ## Features
 
-- [X] Play up to six tanks at once
-- [X] Colorful retro graphics
+- [X] Up to six players with menu configuration
+- [X] Multi-round battles with score tracking
+- [X] Weapons & tools market (buy/sell)
+- [X] Napalm weapons with liquid physics, fire propagation, and smoke effects
+- [X] Animated terrain collapse (pixel-level gravity simulation)
+- [X] Colorful retro graphics with 8×16 / 8×8 bitmap fonts
+- [X] Frame-rate independent physics
 - [X] Special graphic effects
 - [X] Bullet physics, traces and sounds
-- [X] Randomly generated terrains
+- [X] Randomly generated terrains (Mountain, Sand)
 - [X] Wide assortment of weapons
-- [ ] Wide asssortment of tools (only shields and parachutes implemented so far)
+- [ ] Wide assortment of tools (only shields and parachutes implemented)
 - [ ] Many different tanks to pick from
-- [ ] Many AIs to battle against (only Moron and Chooser implemented so far)
-- [ ] Long, multiple-round battles
-- [X] Weapons & tools market
+- [ ] Many AIs to battle against (only Moron and Chooser implemented)
 - [ ] Configuration
 - [ ] Local Multiplayer
 - [ ] Internet Multiplayer
 
+## Weapons
+
+| Weapon | Projectile | Effect | Price |
+|-|-|-|-|
+| Tracer | Normal | Light tracer round, no blast | FREE |
+| Baby Missile | Normal | Small blast (r=5) | FREE |
+| Missile | Normal | Medium blast (r=20) | $15 |
+| Baby Nuke | Normal | Large blast (r=50) | $25 |
+| Nuke | Normal | Huge blast (r=100) | $50 |
+| Baby Napalm | Normal | Emits 32 napalm particles, fire burns 3s | $20 |
+| Napalm | Normal | Emits 64 napalm particles, fire burns 3s | $40 |
+| Baby Roller | Roller | Bouncing roller, small blast (r=15) | $15 |
+| Roller | Roller | Bouncing roller, medium blast (r=35) | $25 |
+| Super Roller | Roller | Bouncing roller, large blast (r=60) | $40 |
+| MIRV | MIRV (3-way) | Triple split shot | $25 |
+| X-MIRV | MIRV (5-way) | Five-way split shot | $50 |
+| Leapfrog | Leapfrog (3 bounces) | Bounces 3 times, progressive power | $25 |
+| Super Leapfrog | Leapfrog (6 bounces) | Bounces 6 times, progressive power | $40 |
+| Small Dirt | Normal | Dirt spray (r=25), no damage | $10 |
+| Dirt | Normal | Dirt spray (r=50), no damage | $20 |
+| Ton of Dirt | Normal | Dirt spray (r=75), no damage | $35 |
+| Small Dig Bomb | Normal | Digs crater (r=25), no damage | $10 |
+| Dig Bomb | Normal | Digs crater (r=50), no damage | $20 |
+| Large Dig Bomb | Normal | Digs crater (r=75), no damage | $35 |
+
+### Tools
+
+| Tool | Effect | Price |
+|-|-|-|
+| Parachute | Reduces fall damage | $30 |
+
 ## License
 
 Licensed under the MIT LICENSE.