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less crashes and pretty colors

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Dario48 2026-04-19 20:21:36 +02:00
commit 3a376e8954
1 changed files with 19 additions and 12 deletions
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31
src/main.zig
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@ -85,11 +85,12 @@ pub fn main(init: std.process.Init) !void {
for (grid.arr, 0..) |line, y| {
for (line, 0..) |cell, x| {
texture[x + screenWidth * y] = if (cell.alive)
.white
raylib.Color.init(@truncate((255 * y) / screenHeight), @truncate((255 * x) / screenWidth), 0, 255)
else
.black;
}
}
raylib.updateTexture(screenTexture, @ptrCast(texture));
raylib.drawTexture(screenTexture, 0, 0, .white);
@ -108,18 +109,24 @@ pub fn main(init: std.process.Init) !void {
raylib.drawCircleV(IndicatorPosition, IndicatorSize, .alpha(.gray, 0.5));
if (raylib.isMouseButtonDown(.left)) {
if (placeChace > 170) placeChace -= 1;
if (circleAsyncArray) |_| {} else circleAsyncArray = try init.gpa.alloc(std.Io.Future(void), (@as(usize, @trunc(IndicatorPosition.y)) + @as(usize, @trunc(IndicatorSize)) - (@as(usize, @trunc(IndicatorPosition.y)) - @as(usize, @trunc(IndicatorSize)))));
for (@as(usize, @trunc(IndicatorPosition.x)) - @as(usize, @trunc(IndicatorSize))..@as(usize, @trunc(IndicatorPosition.x)) + @as(usize, @trunc(IndicatorSize)), 0..) |x, i| {
circleAsyncArray.?[i] = init.io.async((struct {
pub fn l(IP: raylib.Vector2, IS: f32, fx: usize, rand: *std.Random.DefaultPrng, gr: sand.Grid, pc: u8) void {
for (@as(usize, @trunc(IP.y)) - @as(usize, @trunc(IS))..@as(usize, @trunc(IP.y)) + @as(usize, @trunc(IS))) |y| {
const dx = @as(f32, @floatFromInt(fx)) - IP.x;
const dy = @as(f32, @floatFromInt(y)) - IP.y;
if (fx >= screenWidth or fx < 0 or y >= screenHeight or y < 0) {} else if (pow(f32, dx, 2) + pow(f32, dy, 2) <= pow(f32, IS, 2) and rand.random().int(u8) > pc)
gr.arr[y][fx].alive = true;
const xstart: usize = @intCast(@max(0, @as(i32, @trunc(IndicatorPosition.x - IndicatorSize))));
const xend: usize = @intCast(@max(0, @as(i32, @trunc(IndicatorPosition.x + IndicatorSize))));
if (xstart < xend) {
if (circleAsyncArray) |_| {} else circleAsyncArray = try init.gpa.alloc(std.Io.Future(void), xend - xstart);
for (xstart..xend, 0..) |x, i| {
circleAsyncArray.?[i] = init.io.async((struct {
pub fn l(IP: raylib.Vector2, IS: f32, fx: usize, rand: *std.Random.DefaultPrng, gr: sand.Grid, pc: u8) void {
const ystart: usize = @intCast(@max(0, @as(i32, @trunc(IP.y - IS))));
const yend: usize = @intCast(@max(0, @as(i32, @trunc(IP.y + IS))));
for (ystart..yend) |y| {
const dx = @as(f32, @floatFromInt(fx)) - IP.x;
const dy = @as(f32, @floatFromInt(y)) - IP.y;
if (fx >= screenWidth or y >= screenHeight) {} else if (pow(f32, dx, 2) + pow(f32, dy, 2) <= pow(f32, IS, 2) and rand.random().int(u8) > pc)
gr.arr[y][fx].alive = true;
}
}
}
}).l, .{ IndicatorPosition, IndicatorSize, x, &random, grid, placeChace });
}).l, .{ IndicatorPosition, IndicatorSize, x, &random, grid, placeChace });
}
}
}
if (circleAsyncArray) |arr| {