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Added columns

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This commit is contained in:
Nathan McRae 2023-06-04 15:19:51 -07:00
parent b695ee0bf7
commit b61717cf21
1 changed files with 17 additions and 5 deletions
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22
src/main.zig
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@ -8,6 +8,7 @@ const assert = @import("std").debug.assert;
pub fn main() !void { pub fn main() !void {
const window_width = 300; const window_width = 300;
const window_height = 500; const window_height = 500;
const column_width = 100;
if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) { if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError()); c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError());
@ -70,15 +71,24 @@ pub fn main() !void {
} }
var i:usize = 0; var i:usize = 0;
var column:c_int = 0;
x = 0; x = 0;
var y:c_int = 0; var y:c_int = 0;
// white: false, black: true
var color:bool = false; var color:bool = false;
while (i < source_code.len) : (i += 1) { while (i < source_code.len) : (i += 1) {
if (source_code[i] == 10) { if (source_code[i] == 10) {
x = 0;
y += 1; y += 1;
if (y > window_height) {
y = 0;
column += 1;
// std.debug.print("Column: {any}, x: {any}\n", .{column, column*column_width});
}
x = column * column_width;
continue; continue;
} }
if (source_code[i] == 32 and color) { if (source_code[i] == 32 and color) {
color = false; color = false;
const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255); const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
@ -96,10 +106,12 @@ pub fn main() !void {
} }
} }
const draw_result = c.SDL_RenderDrawPoint(renderer, x, y); if (x < (column + 1) * column_width) {
if (draw_result != 0) { const draw_result = c.SDL_RenderDrawPoint(renderer, x, y);
c.SDL_Log("Unable to draw point: %d", draw_result); if (draw_result != 0) {
return error.SDLDrawingFailed; c.SDL_Log("Unable to draw point: %d", draw_result);
return error.SDLDrawingFailed;
}
} }
x += 1; x += 1;