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4 Commits

Author SHA1 Message Date
nothke
b9e39139bc Updated sokol to latest 2024-07-04 16:33:12 +02:00
nothke
ac6cb02184 Added live error checking 2024-07-04 16:23:16 +02:00
nothke
2524dbf206 Slightly better time management 2024-07-04 16:02:52 +02:00
nothke
fc91b57f33 Events. Quit on mouse move or press like a screensaver 2024-06-16 14:50:36 +02:00
4 changed files with 67 additions and 14 deletions

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@@ -6,6 +6,8 @@ pub fn build(b: *std.Build) void {
const dep_sokol = b.dependency("sokol", .{ .target = target, .optimize = optimize });
// Exe
const exe = b.addExecutable(.{
.name = "sok",
.root_source_file = b.path("src/main.zig"),
@@ -15,8 +17,27 @@ pub fn build(b: *std.Build) void {
exe.root_module.addImport("sokol", dep_sokol.module("sokol"));
// Set this to hide console on windows
//exe.subsystem = .Windows;
b.installArtifact(exe);
// Check step (for ZLS)
const exe_check = b.addExecutable(.{
.name = "check_step",
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
exe_check.root_module.addImport("sokol", dep_sokol.module("sokol"));
const check = b.step("check", "Check if project compiles");
check.dependOn(&exe_check.step);
// Run
const run_cmd = b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
@@ -28,6 +49,8 @@ pub fn build(b: *std.Build) void {
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
// Tests
const exe_unit_tests = b.addTest(.{
.root_source_file = b.path("src/main.zig"),
.target = target,

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@@ -1,18 +1,17 @@
.{
.name = "sok",
.version = "0.0.0",
.minimum_zig_version = "0.13.0",
.dependencies = .{
.sokol = .{
.url = "git+https://github.com/floooh/sokol-zig.git#d3e21f76498213d6d58179065756f5f2ed9b90cf",
.hash = "122052a192829b377c637ce242ee8c9121e03d8cd10c889758dc6fb176368de7d67b",
},
},
.minimum_zig_version = "0.14.0-dev.144+a31fe8aa3",
.paths = .{
"build.zig",
"build.zig.zon",
"src",
},
.dependencies = .{
.sokol = .{
.url = "git+https://github.com/floooh/sokol-zig.git#ed91d03b62ef9e5850f33a98a3f703c01d86798d",
.hash = "12208af0258178372af254d34e32e7f6cdf2e0f6a51bfb8d6706aff159e2ec6d2c65",
},
},
}

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@@ -12,6 +12,16 @@ To build, you need to have zig master (you can use [zvm](https://www.zvm.app/) t
Note that if you change shaders, you have to recompile them manually - run compile_shaders.bat.
### Live error checking
This project has been configured so that zls can show live compile errors on save. To make it work, you need to set these zls config params (in VSCode just copy these to your preferences):
```
"zig.zls.enableBuildOnSave": true,
"zig.zls.buildOnSaveStep": "check"
```
Also, if you're in VSCode, install ErrorLens extension so you can see the errors inline.
## Why zig?
Zig is a low level language and toolchain that is designed as a "better C". Its main goal is to be simple, robust and fast. A few strong points:

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@@ -1,7 +1,7 @@
const std = @import("std");
const sokol = @import("sokol");
const sg = sokol.gfx;
const Event = sokol.app.Event;
const shader = @import("shaders/triangle2.glsl.zig");
@@ -104,20 +104,27 @@ export fn init() void {
pass_action.colors[0] = .{
.load_action = .CLEAR,
.clear_value = .{ .r = 0, .g = 1, .b = 0, .a = 1 },
.clear_value = .{},
};
std.log.info("Backend: {}\n", .{sg.queryBackend()});
sokol.app.showMouse(false);
}
fn timef() f32 {
return @floatCast(sokol.time.sec(sokol.time.now()));
}
var time: f32 = 0;
export fn frame() void {
const dt: f32 = @floatCast(sokol.app.frameDuration());
time += dt;
const col = &pass_action.colors[0].clear_value;
col.g = @abs(@sin(timef()));
col.r = @abs(@cos(timef()));
col.g = @abs(@sin(time));
col.r = @abs(@cos(time));
state.vsParams.aspectRatio = sokol.app.heightf() / sokol.app.widthf();
@@ -133,13 +140,27 @@ export fn frame() void {
sg.commit();
}
export fn cleanup() void {}
export fn cleanup() void {
std.log.info("Ended", .{});
}
export fn event(eptr: [*c]const Event) void {
const e: *const Event = @ptrCast(eptr);
const buttonPressed = e.type == .MOUSE_DOWN or e.type == .KEY_DOWN;
const mouseMoved = e.type == .MOUSE_MOVE and (@abs(e.mouse_dx) > 2 or @abs(e.mouse_dy) > 2);
if (buttonPressed or mouseMoved) {
sokol.app.quit();
}
}
pub fn main() !void {
sokol.app.run(.{
.init_cb = init,
.frame_cb = frame,
.cleanup_cb = cleanup,
.event_cb = event,
.width = 800,
.height = 600,
.fullscreen = true,