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Allow holding keys to adjust entity counts

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This commit is contained in:
Jared Miller 2025-12-15 14:13:18 -05:00
parent 66eccf5e64
commit 186f8b66f6
1 changed files with 28 additions and 2 deletions
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30
src/sandbox_main.zig
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@ -225,20 +225,46 @@ pub fn main() !void {
}
}
const REPEAT_DELAY: f32 = 0.4; // initial delay before repeat
const REPEAT_RATE: f32 = 0.05; // repeat interval
var add_timer: f32 = 0;
var sub_timer: f32 = 0;
fn handleInput(entities: *sandbox.Entities, rng: *std.Random, paused: *bool) void {
const dt = rl.getFrameTime();
const shift = rl.isKeyDown(.left_shift) or rl.isKeyDown(.right_shift);
const add_count: usize = if (shift) 10000 else 1000;
const add_held = rl.isKeyDown(.equal) or rl.isKeyDown(.kp_add);
const sub_held = rl.isKeyDown(.minus) or rl.isKeyDown(.kp_subtract);
// add entities: = or +
if (rl.isKeyPressed(.equal) or rl.isKeyPressed(.kp_add)) {
for (0..add_count) |_| {
entities.add(rng);
for (0..add_count) |_| entities.add(rng);
add_timer = REPEAT_DELAY;
} else if (add_held) {
add_timer -= dt;
if (add_timer <= 0) {
for (0..add_count) |_| entities.add(rng);
add_timer = REPEAT_RATE;
}
} else {
add_timer = 0;
}
// remove entities: - or _
if (rl.isKeyPressed(.minus) or rl.isKeyPressed(.kp_subtract)) {
entities.remove(add_count);
sub_timer = REPEAT_DELAY;
} else if (sub_held) {
sub_timer -= dt;
if (sub_timer <= 0) {
entities.remove(add_count);
sub_timer = REPEAT_RATE;
}
} else {
sub_timer = 0;
}
// reset: r