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index.html
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index.html
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<!DOCTYPE html>
<html lang="en-gb">
<head>
<style>
body {
font-family: Arial, sans;
font-size: 10pt;
}
</style>
<title>Demo - Steppe</title>
</head>
<body onload="Demo.run()">
<h1>Steppe</h1>
<h2>Demo</h2>
<h3>JavaScript (HTML5 Canvas)</h3>
<canvas id="canvas" style="height: 400px; width: 640px" height="200"
width="320">
<p>
Your Web browser does not support the canvas element.
</p>
</canvas>
<script>
document.writeln('<' + 'script src="js/Steppe/Compositor.js?' +
Number(new Date()) + '" type="text/javascript">' + '<' + '/script>');
document.writeln('<' + 'script src="js/Steppe/Renderer.js?' +
Number(new Date()) + '" type="text/javascript">' + '<' + '/script>');
</script>
<script type="text/javascript">
const Demo = (function(undefined) {
const _WATER_HEIGHT = 88;
return {
run: function() {
const canvas = document.getElementById('canvas');
const offscreenCanvas = document.createElement('canvas');
offscreenCanvas.width = 320;
offscreenCanvas.height = 200;
const context = canvas.getContext('2d');
const offscreenContext = offscreenCanvas.getContext('2d');
context.fillStyle = '#000';
context.fillRect(0, 0, canvas.width, canvas.height);
const renderer = Steppe.Renderer(offscreenCanvas);
const compositor = Steppe.Compositor();
const images = {
sky: '/images/sky.png',
heightmap: '/images/heightmap.png',
texturemap: '/images/texturemap.png',
sprite: '/images/sprite.png'
};
let image = new Image();
image.onload = _ => {
images.sky = image;
image = new Image();
image.onload = _ => {
images.heightmap = image;
image = new Image();
image.onload = _ => {
images.texturemap = image;
image = new Image();
image.onload = _ => {
images.sprite = image;
draw();
};
image.src = images.sprite;
};
image.src = images.texturemap;
};
image.src = images.heightmap;
};
image.src = images.sky;
const draw = function() {
const skyCanvas = document.createElement('canvas');
skyCanvas.width = 1920;
skyCanvas.height = 100;
const skyContext = skyCanvas.getContext('2d');
skyContext.drawImage(images['sky'], 0, 0);
const heightmapCanvas = document.createElement('canvas');
heightmapCanvas.width = 1024;
heightmapCanvas.height = 1024;
const heightmapContext = heightmapCanvas.getContext('2d');
heightmapContext.drawImage(images['heightmap'], 0, 0, 1024, 1024);
compositor.setHeightmap(heightmapCanvas);
const texturemapCanvas = document.createElement('canvas');
texturemapCanvas.width = 1024;
texturemapCanvas.height = 1024;
texturemapContext = texturemapCanvas.getContext('2d');
texturemapContext.drawImage(images['texturemap'], 0, 0, 1024, 1024);
renderer.setTexturemap(texturemapCanvas)
.setOutOfBoundsTexturemap(heightmapCanvas)
.setQuality('high')
.setSky(skyCanvas)
.setHeightmap(compositor.getHeightmap())
.setOutOfBoundsHeightmap(
compositor.getOutOfBoundsHeightmap())
.enable('fog')
.setFogColor('#9f8f7f')
.enable('smooth')
.enable('reflection-map')
.setWaterHeight(82)
;
renderer.addSprite(images['sprite'], 1024 + 512 - 128,
renderer.getHeight(1024 + 512 - 128, 1024 + 512 + 32),
1024 + 512 + 32);
/*renderer.addSprite(images['sprite'], 1024 + 512 - 32,
renderer.getHeight(1024 + 512 - 32, 1024 + 512 + 128 + 32),
1024 + 512 + 128 + 32);*/
renderer.addSprite(images['sprite'], 1024 + 512 + 32,
renderer.getHeight(1024 + 512 + 32, 1024 + 512 + 256),
1024 + 512 + 256);
renderer.setCamera({
angle: 255,
x: 1024 + 768 - 128 - 96,
y: renderer.getHeight(1024 + 768 - 128 - 96, 1024 + 768 + 128),
z: 1024 + 768 + 128
});
renderer.render();
context.drawImage(offscreenCanvas, 0, 0, canvas.width, canvas.height);
};
}
};
})();
</script>
</body>
</html>