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fix rectangle function, change resolution to 320x240

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This commit is contained in:
Dennis Ranke
2021-11-14 17:09:37 +01:00
parent 289382f351
commit dbe59a45f5
6 changed files with 24 additions and 24 deletions
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20
platform/platform.cwa
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@@ -34,18 +34,18 @@ export fn cls(col: i32) {
col = (col & 255) * 0x1010101; col = (col & 255) * 0x1010101;
loop pixels { loop pixels {
i!120 = col; i!120 = col;
branch_if (i := i + 4) < 320*256: pixels; branch_if (i := i + 4) < 320*240: pixels;
} }
} }
export fn setPixel(x: i32, y: i32, col: i32) { export fn setPixel(x: i32, y: i32, col: i32) {
if x #< 320 & y #< 256 { if x #< 320 & y #< 240 {
(x + y * 320)?120 = col (x + y * 320)?120 = col
} }
} }
export fn getPixel(x: i32, y: i32) -> i32 { export fn getPixel(x: i32, y: i32) -> i32 {
if x #< 320 & y #< 256 { if x #< 320 & y #< 240 {
(x + y * 320)?120 (x + y * 320)?120
} else { } else {
0 0
@@ -59,7 +59,7 @@ fn clamp(v: i32, min: i32, max: i32) -> i32 {
export fn hline(x1: i32, x2: i32, y: i32, col: i32) { export fn hline(x1: i32, x2: i32, y: i32, col: i32) {
x1 = clamp(x1, 0, 320); x1 = clamp(x1, 0, 320);
x2 = clamp(x2, 0, 320); x2 = clamp(x2, 0, 320);
if x1 < x2 & y #< 256 { if x1 < x2 & y #< 240 {
let ptr = y * 320 + x1; let ptr = y * 320 + x1;
let end = ptr + x2 - x1; let end = ptr + x2 - x1;
loop pixels { loop pixels {
@@ -72,13 +72,13 @@ export fn hline(x1: i32, x2: i32, y: i32, col: i32) {
export fn rectangle(x: f32, y: f32, w: f32, h: f32, col: i32) { export fn rectangle(x: f32, y: f32, w: f32, h: f32, col: i32) {
if abs(w) == w & abs(h) == h { if abs(w) == w & abs(h) == h {
let x1 = nearest(x) as i32; let x1 = nearest(x) as i32;
let y1 = clamp(nearest(y) as i32, 0, 256); let y1 = clamp(nearest(y) as i32, 0, 240);
let x2 = nearest(x + w) as i32; let x2 = nearest(x + w) as i32;
let y2 = clamp(nearest(y + h) as i32, 0, 256); let y2 = clamp(nearest(y + h) as i32, 0, 240);
block done { block done {
loop lines { loop lines {
branch_if y1 >= y2: done; branch_if y1 >= y2: done;
hline(x1, y1, x2, col); hline(x1, x2, y1, col);
y1 = y1 + 1; y1 = y1 + 1;
branch lines; branch lines;
} }
@@ -87,8 +87,8 @@ export fn rectangle(x: f32, y: f32, w: f32, h: f32, col: i32) {
} }
export fn circle(cx: f32, cy: f32, radius: f32, col: i32) { export fn circle(cx: f32, cy: f32, radius: f32, col: i32) {
let y = clamp(nearest(cy - radius) as i32, 0, 256); let y = clamp(nearest(cy - radius) as i32, 0, 240);
let maxY = clamp(nearest(cy + radius) as i32, 0, 256); let maxY = clamp(nearest(cy + radius) as i32, 0, 240);
block done { block done {
loop lines { loop lines {
@@ -110,7 +110,7 @@ export fn circle(cx: f32, cy: f32, radius: f32, col: i32) {
start fn setup() { start fn setup() {
let i: i32; let i: i32;
loop colors { loop colors {
(i*4)!(120+320*256) = i * 0x10101; (i*4)!(120+320*240) = i * 0x10101;
branch_if (i := i + 1) < 256: colors branch_if (i := i + 1) < 256: colors
} }
randomSeed(random()); randomSeed(random());

6
site/content/_index.md
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@@ -83,6 +83,6 @@ possible but no examples are provided, yet.
## Examples ## Examples
* [Technotunnel](v0.1pre2#AQrDAQHAAQIBfwp9A0AgAUEAsiABQcACb7JDmhkgQ5MiBCAEIASUIAFBwAJtQYABa7IiBSAFlJKRIgaVIgcgByAAskHQD7KVIgIQAEPNzEw/lCIDlCAHIAeUIAOUIAOUQQGykiADIAOUk5GSIgiUIAOTQQqylCACkiIJqCAFIAaVIAiUQQqylCACkiIKqHMgCEEyspQgBpUiCyACkkEUspSocUEFcbJBArIgC5OUQRaylJeoOgB4IAFBAWoiAUGAgAVIDQALCw==) (199 bytes): A port of my [entry](https://tic80.com/play?cart=1873) in the Outline'21 bytebattle quater final * [Technotunnel](v0.1pre2#AQrDAQHAAQIBfwp9A0AgAUEAsiABQcACb7JDmhkgQ5MiBCAEIASUIAFBwAJtQfgAa7IiBSAFlJKRIgaVIgcgByAAskHQD7KVIgIQAEPNzEw/lCIDlCAHIAeUIAOUIAOUQQGykiADIAOUk5GSIgiUIAOTQQqylCACkiIJqCAFIAaVIAiUQQqylCACkiIKqHMgCEEyspQgBpUiCyACkkEUspSocUEFcbJBArIgC5OUQRaylJeoOgB4IAFBAWoiAUGA2ARIDQALCw==) (199 bytes): A port of my [entry](https://tic80.com/play?cart=1873) in the Outline'21 bytebattle quater final
* [XorScroll](v0.1pre2#AQovAS0BAX8DQCABIAFBwAJvIABBCm1qIAFBwAJtczoAeCABQQFqIgFBgIAFSA0ACws=) (50 bytes): A simple scrolling XOR pattern. Fun fact: This is the pre-loaded effect when entering a bytebattle. * [XorScroll](v0.1pre2#AQovAS0BAX8DQCABIAFBwAJvIABBCm1qIAFBwAJtczoAeCABQQFqIgFBgNgESA0ACws=) (50 bytes): A simple scrolling XOR pattern. Fun fact: This is the pre-loaded effect when entering a bytebattle.
* [CircleWorm](v0.1pre2#AQp7AXkCAX8CfUEgEA0DQCABskEEspUiAkECspUgALJBiCeylSIDQQWylJIQAEEBspJBoAGylCACQQOylSADQQSylJIQAEEBspJBgAGylCADQRGylCACQQKylJIQAEECspJBELKUIAFBAmxBP2oQEiABQQFqIgFBP0gNAAsL) (126 bytes): Just a test for the circle fill function. * [CircleWorm](v0.1pre2#AQp7AXkCAX8CfUEgEA0DQCABskEEspUiAkECspUgALJBiCeylSIDQQWylJIQAEEBspJBoAGylCACQQOylSADQQSylJIQAEEBspJB+ACylCADQRGylCACQQKylJIQAEECspJBELKUIAFBAmxBP2oQEiABQQFqIgFBP0gNAAsL) (126 bytes): Just a test for the circle fill function.

2
site/static/v0.1pre2/index.html
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File diff suppressed because one or more lines are too long

6
src/microw8.rs
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@@ -133,13 +133,13 @@ impl MicroW8 {
)?; )?;
let framebuffer = &instance.memory.data(&instance.store)[120..]; let framebuffer = &instance.memory.data(&instance.store)[120..];
let palette = &framebuffer[320 * 256..]; let palette = &framebuffer[320 * 240..];
for i in 0..320 * 240 { for i in 0..320 * 240 {
let offset = framebuffer[i] as usize * 4; let offset = framebuffer[i] as usize * 4;
self.window_buffer[i] = 0xff000000 self.window_buffer[i] = 0xff000000
| ((palette[offset + 2] as u32) << 16) | ((palette[offset + 0] as u32) << 16)
| ((palette[offset + 1] as u32) << 8) | ((palette[offset + 1] as u32) << 8)
| palette[offset] as u32; | palette[offset + 2] as u32;
} }
self.instance = Some(instance); self.instance = Some(instance);

2
web/src/index.html
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@@ -10,7 +10,7 @@
</head> </head>
<body> <body>
<div id="centered"> <div id="centered">
<canvas id="screen" width="640" height="512"></canvas> <canvas id="screen" width="640" height="480"></canvas>
<div id="message"></div> <div id="message"></div>
<button id="cartButton">Load cart...</button> <button id="cartButton">Load cart...</button>
</div> </div>

12
web/src/main.js
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@@ -19,9 +19,9 @@ function setMessage(size, error) {
let framebufferCanvas = document.createElement("canvas"); let framebufferCanvas = document.createElement("canvas");
framebufferCanvas.width = 320; framebufferCanvas.width = 320;
framebufferCanvas.height = 256; framebufferCanvas.height = 240;
let framebufferCanvasCtx = framebufferCanvas.getContext("2d"); let framebufferCanvasCtx = framebufferCanvas.getContext("2d");
let imageData = framebufferCanvasCtx.createImageData(320, 256); let imageData = framebufferCanvasCtx.createImageData(320, 240);
let screen = document.getElementById('screen'); let screen = document.getElementById('screen');
let canvasCtx = screen.getContext('2d'); let canvasCtx = screen.getContext('2d');
@@ -120,14 +120,14 @@ async function runModule(data) {
try { try {
instance.exports.tic(Date.now() - startTime); instance.exports.tic(Date.now() - startTime);
let framebuffer = new Uint8Array(importObject.env.memory.buffer.slice(120, 120 + 320 * 256)); let framebuffer = new Uint8Array(importObject.env.memory.buffer.slice(120, 120 + 320 * 240));
let palette = new Uint32Array(importObject.env.memory.buffer.slice(82040, 82040 + 1024)); let palette = new Uint32Array(importObject.env.memory.buffer.slice(76920, 76920 + 1024));
for (let i = 0; i < 320 * 256; ++i) { for (let i = 0; i < 320 * 240; ++i) {
buffer[i] = palette[framebuffer[i]] | 0xff000000; buffer[i] = palette[framebuffer[i]] | 0xff000000;
} }
framebufferCanvasCtx.putImageData(imageData, 0, 0); framebufferCanvasCtx.putImageData(imageData, 0, 0);
canvasCtx.imageSmoothingEnabled = false; canvasCtx.imageSmoothingEnabled = false;
canvasCtx.drawImage(framebufferCanvas, 0, 0, 640, 512); canvasCtx.drawImage(framebufferCanvas, 0, 0, 640, 480);
window.requestAnimationFrame(mainloop); window.requestAnimationFrame(mainloop);
} catch (err) { } catch (err) {