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update example in readme

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This commit is contained in:
Dennis Ranke
2021-11-16 23:34:47 +01:00
parent d62bc8bf86
commit 60bd3a7874
1 changed files with 13 additions and 14 deletions
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27
README.md
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@@ -11,28 +11,27 @@ compiler not implement any optimizations except for constant folding.
```rust
import "env.memory" memory(4);
import "math.sin" fn sin(f32) -> f32;
import "math.atan2" fn atan2(f32, f32) -> f32;
import "env.sin" fn sin(f32) -> f32;
export fn tic(time: i32) {
let i: i32;
loop screen {
let defer t = time as f32 / 2000 as f32;
let defer o = sin(t) * 0.8;
let defer q = (i % 320) as f32 - 160.1;
let defer w = (i / 320 - 128) as f32;
let defer r = sqrt(q*q + w*w);
let defer z = q / r;
let defer s = z * o + sqrt(z * z * o * o + 1 as f32 - o * o);
let defer q2 = (z * s - o) * 10 as f32 + t;
let defer w2 = w / r * s * 10 as f32 + t;
let defer s2 = s * 50 as f32 / r;
let lazy t = time as f32 / 2000 as f32;
let lazy o = sin(t) * 0.8;
let lazy q = (i % 320) as f32 - 160.1;
let lazy w = (i / 320 - 120) as f32;
let lazy r = sqrt(q*q + w*w);
let lazy z = q / r;
let lazy s = z * o + sqrt(z * z * o * o + 1 as f32 - o * o);
let lazy q2 = (z * s - o) * 10 as f32 + t;
let lazy w2 = w / r * s * 10 as f32 + t;
let lazy s2 = s * 50 as f32 / r;
i?120 = max(
0 as f32,
((q2 as i32 ^ w2 as i32 & ((s2 + t) * 20 as f32) as i32) & 5) as f32 *
(2 as f32 - s2) * 22 as f32
) as i32;
branch_if (i := i + 1) < 320*256: screen
branch_if (i := i + 1) < 320*240: screen
}
}
```
@@ -43,4 +42,4 @@ You can compile this to `technotunnel.wasm` with the command
curlywas technotunnel.cwa
```
Then run it on [MicroW8](https://exoticorn.github.io/microw8/v0.1pre1)
Then run it on [MicroW8](https://exoticorn.github.io/microw8/v0.1pre2)