diff options
author | Tom Barrett <tom@tombarrett.xyz> | 2022-12-18 22:56:16 +0100 |
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committer | Tom Barrett <tom@tombarrett.xyz> | 2022-12-18 22:56:16 +0100 |
commit | 0edb4a4df4b41e886935a91da3b2e50ddaa6817f (patch) | |
tree | 2a5f71b87d324284baa9578554c42e9f45b941a1 /src/main.zig |
2.2
Diffstat (limited to 'src/main.zig')
-rw-r--r-- | src/main.zig | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/main.zig b/src/main.zig new file mode 100644 index 0000000..9983774 --- /dev/null +++ b/src/main.zig @@ -0,0 +1,23 @@ +const std = @import("std"); + +pub fn main() !void { + const width = 256; + const height = 256; + std.debug.print("P3\n{} {}\n255\n", .{ width, height }); + + var j: usize = height; + while (j > 0) : (j -= 1) { + var i: usize = 0; + while (i < width) : (i += 1) { + var r: f32 = @intToFloat(f32, i) / (width - 1); + var g: f32 = @intToFloat(f32, j) / (height - 1); + var b: f32 = 0.25; + + var ir: usize = @floatToInt(usize, r * 255.999); + var ig: usize = @floatToInt(usize, g * 255.999); + var ib: usize = @floatToInt(usize, b * 255.999); + + std.debug.print("{} {} {}\n", .{ ir, ig, ib }); + } + } +} |