krgamestudios/ToyBox
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Expanded keyboard API, added repl tools to make process

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This commit is contained in:
Kayne Ruse
2026-05-27 12:25:32 +10:00
parent 1c1473339f
commit 82d43ae813
8 changed files with 90 additions and 44 deletions
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assets/main.toy
+28 -31
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@@ -1,10 +1,11 @@
//debug testing
var counter = 0;
//quick and dirty RNG
var randi: Int = 69420;
fn rand() {
return randi = randi * 1664525 + 1013904223; //can be negative
return randi = randi * 1664525 + 1013904223; //overflows to a negative, which is fine
}
//wander like a zombie
var counter = 0;
fn wander(actor: Opaque) {
actor.setX(actor.x + rand() % 5);
actor.setY(actor.y + rand() % 5);
@@ -12,43 +13,36 @@ fn wander(actor: Opaque) {
counter++;
}
//TODO: general purpose math functions
//TODO: optimize away single-line blocks in the AST
//player controlled character
var playerMaxMotion: Int = 5;
var playerMotionX: Int = 0;
var playerMotionY: Int = 0;
fn playerOnFrame(player: Opaque) {
//accept input
if (Keyboard.UP) {
playerMotionY -= 5;
}
if (Keyboard.DOWN) {
playerMotionY += 5;
}
if (Keyboard.LEFT) {
playerMotionX -= 5;
}
if (Keyboard.RIGHT) {
playerMotionX += 5;
}
//handle keyboard input
if (KeyPressed.UP) playerMotionY -= 5;
if (KeyPressed.DOWN) playerMotionY += 5;
if (KeyPressed.LEFT) playerMotionX -= 5;
if (KeyPressed.RIGHT) playerMotionX += 5;
// print playerMotionX;
// print playerMotionY;
// print playerMaxMotion;
// print -playerMaxMotion;
if (KeyReleased.UP) playerMotionY = min(playerMotionY + 5, 0);
if (KeyReleased.DOWN) playerMotionY = max(playerMotionY - 5, 0);
if (KeyReleased.LEFT) playerMotionX = min(playerMotionX + 5, 0);
if (KeyReleased.RIGHT) playerMotionX = max(playerMotionX - 5, 0);
//cap the speed
if (playerMotionX > playerMaxMotion) playerMotionX = playerMaxMotion;
if (playerMotionX < -playerMaxMotion) playerMotionX = -playerMaxMotion;
if (playerMotionY > playerMaxMotion) playerMotionY = playerMaxMotion;
if (playerMotionY < -playerMaxMotion) playerMotionY = -playerMaxMotion;
//cap the max speed
playerMotionX = min(max(playerMotionX, -playerMaxMotion), playerMaxMotion);
playerMotionY = min(max(playerMotionY, -playerMaxMotion), playerMaxMotion);
//shortcut for normalized diagonal movement
var mod = 1;
if (playerMotionX != 0 && playerMotionY != 0) {
mod = 0.707;
}
//move the player
player.setX(player.x + playerMotionX);
player.setY(player.y + playerMotionY);
player.setX(player.x + floor(playerMotionX * mod));
player.setY(player.y + floor(playerMotionY * mod));
}
//when the game is ready, load the "zombie" sprite
@@ -68,9 +62,12 @@ fn onReady() {
fn onFrame() {
//debug
// print Keyboard.A;
}
//example API for the game
initScreen(1280, 720, "Oh no, Zombies!");
initLoop(onReady, onFrame, null);
//TODO: optimize away single-line blocks in the AST