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Mon 21 Jul 22:43:21 CEST 2025

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sbosse 2025-07-21 23:00:13 +02:00
parent 6f5a78d5f1
commit fdcb9bb1f8
1 changed files with 85 additions and 0 deletions
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js/x11/core/examples/opengl/triangle.js Normal file
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var x11 = require('../../lib');
var randomarr = [];
for(var i=0; i < 20000; ++i) {
randomarr.push([Math.random()*30-15, Math.random()*30-15, Math.random()*30-15]);
}
var xclient = x11.createClient(function(err, display) {
var X = display.client;
var root = display.screen[0].root;
X.require('glx', function(err, GLX) {
var screen = 0;
var isDirect = 0;
var ctx = X.AllocID();
var visual = 0xa1;
var shareListCtx = 0;
var width = 800;
var height = 800;
GLX.CreateContext(ctx, visual, screen, shareListCtx, isDirect);
var win = X.AllocID();
X.CreateWindow(win, root, 0, 0, width, height, 0, 0, 0, 0, { eventMask: x11.eventMask.PointerMotion });
X.MapWindow(win);
GLX.MakeCurrent(win, ctx, 0, function(err, res) {
GLX.NewList(ctx, 1, 0x00001300);
var gl = GLX.renderPipeline();
gl.Begin(0x0004);
for (var i=0; i < 10000; ++i)
{
gl.Vertex3f(randomarr[i][0], randomarr[i][1], randomarr[i][2]);
gl.Color3f((randomarr[i+10000][0]+15/30), (randomarr[i+10000][1]+15)/30, (randomarr[i+10000][2]+15)/30);
}
gl.End();
gl.render(ctx);
GLX.EndList(ctx);
var i = 0.0;
X.on('event', function(ev) {
var gl = GLX.renderPipeline();
gl.Viewport(0, 0, 800, 800);
gl.MatrixMode(0x1701);
gl.LoadIdentity();
gl.Ortho(-30.0, 30.0, -30.0, 30.0, -300.0, 300.0);
gl.Rotatef(ev.y, 1, 0, 0);
gl.MatrixMode(0x1700);
gl.ClearColor(0.3,0.3,0.3,0.0);
gl.Clear(0x00004000|0x00000100);
gl.ShadeModel(0x1D01);
gl.LoadIdentity();
//gl.Translatef(ev.x/100+-15.0, ev.y/100+-15.0, 0.0);
gl.Scalef(0.1, 0.1, 1);
gl.Translatef(-15.0, -15.0, 0.0);
//gl.Rotatef(ev.y, 0, 0, 1);
gl.Begin(0x0004);
gl.Color3f(1.0, 0.0, 0.0);
gl.Vertex3f(0.0, 0.0, 0.0);
gl.Color3f(0.0, 1.0, 0.0);
gl.Vertex3f(30.0, 0.0, 0.0);
gl.Color3f(0.0, 0.0, 1.0);
gl.Vertex3f(0.0, 30.0, 0);
var list = false;
if (list) {
gl.CallList(1);
} else {
for (var i=0; i < 500; ++i)
{
gl.Vertex3f(randomarr[i][0], randomarr[i][1], randomarr[i][2]);
gl.Color3f((randomarr[i+500][0]+15/30), (randomarr[i+500][1]+15)/30, (randomarr[i+500][2]+15)/30);
}
}
gl.End();
gl.render(ctx);
GLX.SwapBuffers(ctx, win);
//}, 30);
});
});
});
X.on('error', function(err) { console.log(err); });
});