Webgl Questions

I'm trying to use instancing with webgl based on

I'm working on a obj file reader for webgl and i'm having problems rendering the read triangles. when i try to draw the triangles i get this

I am trying to follow a tutorial on webgl and i am getting weird behavior with textures. i use this code to create the texture:

I'm trying to have two external images as textures for my cube. when i use one image, it works perfectly and my cube is rendered but i'm having

I follow webgl fundamentals and draw 2d object and use matrices to scale vertices and render. before render i pass

I've applied two necessary steps given in this answer

I have a threejs scene (below, or here on codepen) with some

I want to draw an image in webgl, but downscaled. when i don't scale it, then the image has a good quality, but if i scale it down then it has

Webgl. i try to draw a point by the webgl programming guide book

The question may not be clear, but i am gonna clear it here. let's consider an array which have th co-ordinates of a triangle in clip space :

In javascript memory that i allocated (e.g. an arraybuffer) gets freed up when i don't have any reference to it anymore by the gc as i understood

Right now, i'm trying to draw a 3d cylinder shape in webgl, where the top is thinner than the bottom. the cylinder is also uncapped. the cylinder

I'm creating a 3d game, and i just began. however, i quickly ran into a problem with the localhost get taking more than 2 minutes, and after like

I am following webgl tutorials. i have an initialized vertex buffer with buffer data's purpose is set to gl.static_draw. as far as i

I draw simple shapes on 2d canvas, while applying transformations on shapes like so: const rect = ({ x, y, width, height })

By reading this answer i now know that webgl always runs on a separate process and its calls

I have an issue, the problem is that vertex arrays are stored separately in object file, so they look like that (not a real data):

I've got a map rendered by means of leaflet. i need to make a screenshot of that map by using html2canvas.

I want to create some

I have the following code in glsl: // snippet 1, works well uniform vec4 udiffuse; uniform sampler2d udiffusemap; uniform vec4

I'm trying to encode an integer identifier in glsl 3.3 shader to a float output using intbitstofloat (i'm using highp output float

I am trying to post request using unity web request i created a pure php api for testing after that web developer created api for me to work on

I'm trying to play around with webglsyncs and

I want to create smooth scroll and webgl effect on images like this site:

How do i put my unity game built in webgl into laravel? fyi, unity webgl, when built gives me these files: - build (folder) - templatedata

I am trying to copy the output of a canvas running webglearth

I have a rendering system currently written in canvas. it's hitting performance issues and i'm hoping webgl can help with some of them. basically

I want use jslib to get url parameter code like this jslib geturl: function(){ var s ="";

I am trying to create a simple webgl program that draws a triangle with some gradient. here us the program. first, i created

I'm following

I'm trying to implement a webgl app according to the documentation in the mozilla docs. my code generates a sphere with is shaped by a

My code compiled without errors, but did not work until i added the vec3 in front of the brackets. the contents were vec3 components, so i would

I've got thousands of sparsely arranged curved lines (made with cubicbeziercurve3) being merged into one geometry for obvious performance

I have a problem regarding the "steering" of an object towards a circular path. i have written a small animation where a 2d car

I have a globe with markers made using webgl earth (http://www.webglearth.org/) and i am

First of all, thats what i need to do so i started to get a value for a;

I have some javascript/webgl code that works on every browser i've tried, except for the mobile version of firefox running on android. the problem

I want experiment with shadermaterial material from three.js. but i don't know opengl shading language.when i use fragment shader code in above

I am drawing brush strokes to an framebuffer object using the method described in the answer of this question: