Add skybox

This commit is contained in:
2026-02-04 22:34:59 +01:00
parent dedcec547d
commit 86d6da33d2
3 changed files with 184 additions and 25 deletions

View File

@@ -1,5 +1,6 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
@@ -10,20 +11,20 @@
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
overflow: hidden;
background: #000;
}
#window {
display: block;
width: 100vw;
height: 100vh;
cursor: move;
}
#controls {
position: absolute;
top: 20px;
@@ -37,23 +38,23 @@
backdrop-filter: blur(10px);
transition: opacity 0.3s;
}
#controls.hidden {
opacity: 0;
pointer-events: none;
}
#controls h3 {
margin: 0 0 10px 0;
font-size: 16px;
font-weight: 600;
}
#controls .control-group {
margin-bottom: 8px;
line-height: 1.6;
}
#controls .key {
display: inline-block;
background: rgba(255, 255, 255, 0.2);
@@ -63,7 +64,7 @@
font-size: 12px;
margin: 0 2px;
}
#toggle-controls {
position: absolute;
top: 20px;
@@ -78,11 +79,11 @@
backdrop-filter: blur(10px);
transition: background 0.3s;
}
#toggle-controls:hover {
background: rgba(0, 0, 0, 0.85);
}
#fps-counter {
position: absolute;
bottom: 20px;
@@ -285,10 +286,51 @@
<script id="sky-fs" type="x-shader/x-fragment">
precision mediump float;
varying vec3 fragPos;
varying vec3 v_rayDir;
uniform vec3 uSunDirection;
void main(void) {
gl_FragColor = vec4(fragPos,1.0);
vec3 rayDir = normalize(v_rayDir);
// Use Z as up (matches world space where ocean is on XY plane)
float upAmount = rayDir.z;
// Sky gradient - from horizon to zenith
float horizonBlend = pow(1.0 - max(upAmount, 0.0), 2.0);
vec3 zenithColor = vec3(0.15, 0.35, 0.75); // Deep blue at top
vec3 horizonColor = vec3(0.55, 0.7, 0.9); // Light blue at horizon
vec3 skyColor = mix(zenithColor, horizonColor, horizonBlend);
// Add warm glow near horizon
float horizonGlow = pow(max(1.0 - abs(upAmount), 0.0), 6.0);
skyColor += vec3(0.4, 0.25, 0.1) * horizonGlow * 0.4;
// Sun direction already in correct coordinate system
vec3 sunDir = normalize(uSunDirection);
float sunAngle = max(dot(rayDir, sunDir), 0.0);
// Sun disk
float sunDisk = smoothstep(0.9993, 0.9998, sunAngle);
vec3 sunColor = vec3(1.0, 0.95, 0.85);
// Sun glow
float sunGlow = pow(sunAngle, 48.0) * 0.6;
float sunHalo = pow(sunAngle, 6.0) * 0.25;
// Combine sun effects
skyColor += sunColor * sunDisk * 3.0;
skyColor += vec3(1.0, 0.85, 0.5) * sunGlow;
skyColor += vec3(1.0, 0.9, 0.7) * sunHalo;
// Below horizon - fade to darker color
if (upAmount < 0.0) {
float depth = -upAmount;
vec3 deepColor = vec3(0.02, 0.08, 0.15);
skyColor = mix(horizonColor * 0.7, deepColor, smoothstep(0.0, 0.5, depth));
}
gl_FragColor = vec4(skyColor, 1.0);
}
</script>
<script id="sky-vs" type="x-shader/x-vertex">
@@ -296,30 +338,34 @@
uniform mat4 projection;
uniform mat4 view;
uniform mat4 testModel;
varying vec3 fragPos;
varying vec3 v_rayDir;
void main(void) {
gl_PointSize = 10.;
gl_Position = projection * mat4(mat3(view)) * vec4(positionAttr, 1.0);
fragPos = (view * vec4(positionAttr,1.0)).xyz; //This is wrong probably
v_rayDir = positionAttr;
// Remove translation from view matrix for skybox
mat4 rotView = mat4(mat3(view));
vec4 pos = projection * rotView * vec4(positionAttr, 1.0);
gl_Position = pos;
}
</script>
</head>
<body>
<canvas id="window"></canvas>
<div id="controls">
<h3>🌊 Ocean Controls</h3>
<div class="control-group">
<strong>Camera Rotation:</strong><br>
<span class="key">W</span><span class="key">A</span><span class="key">S</span><span class="key">D</span> or Arrow Keys
<span class="key">W</span><span class="key">A</span><span class="key">S</span><span class="key">D</span> or
Arrow Keys
</div>
<div class="control-group">
<strong>Zoom:</strong><br>
<span class="key">Q</span> / <span class="key">E</span> or <span class="key">+</span> / <span class="key">-</span>
<span class="key">Q</span> / <span class="key">E</span> or <span class="key">+</span> / <span
class="key">-</span>
</div>
<div class="control-group">
<strong>Mouse:</strong> Click and drag to rotate
@@ -331,21 +377,21 @@
<strong>Toggle Help:</strong> <span class="key">H</span>
</div>
</div>
<button id="toggle-controls">Toggle Controls (H)</button>
<div id="fps-counter">FPS: 0</div>
<script type="module" src="/src/main.ts"></script>
<script>
// Toggle controls visibility
const controls = document.getElementById('controls');
const toggleBtn = document.getElementById('toggle-controls');
toggleBtn.addEventListener('click', () => {
controls.classList.toggle('hidden');
});
window.addEventListener('keydown', (evt) => {
if (evt.key === 'h' || evt.key === 'H') {
controls.classList.toggle('hidden');