Initial Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
LLM Generation
Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
Output
Sure, here's a single HTML file that draws a triangle using WebGL, with the canvas taking up the entire page:
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107 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
body, html {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the color of the triangle to red
}
</script>
<script type="text/javascript">
window.onload = function() {
// Get the canvas element
var canvas = document.getElementById("glCanvas");
// Initialize the WebGL context
var gl = canvas.getContext("webgl");
if (!gl) {
console.error("Unable to initialize WebGL.");
return;
}
// Set the size of the canvas to fill the entire page
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Vertex shader source code
var vertexShaderSource = document.getElementById("vertex-shader").text;
// Fragment shader source code
var fragmentShaderSource = document.getElementById("fragment-shader").text;
// Create and compile the vertex shader
var vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create and compile the fragment shader
var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create the shader program and link the shaders
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, vertexShader);
gl.attachShader(shaderProgram, fragmentShader);
gl.linkProgram(shaderProgram);
// Use the shader program
gl.useProgram(shaderProgram);
// Define the triangle vertices
var triangleVertices = [
-0.5, -0.5, // Bottom-left vertex
0.5, -0.5, // Bottom-right vertex
0.0, 0.5 // Top vertex
];
// Create a buffer for the triangle vertices
var triangleVertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(triangleVertices), gl.STATIC_DRAW);
// Get the attribute location for the vertex position
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, "aPosition");
// Enable the attribute
gl.enableVertexAttribArray(positionAttributeLocation);
// Specify how to retrieve vertex data from the buffer
var sizeof = triangleVertices.BYTES_PER_ELEMENT;
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 2 * sizeof, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
This HTML file includes a `<canvas>` element where the WebGL triangle will be rendered. The vertex and fragment shaders are defined as `<script>` elements with the `type="x-shader/x-vertex"` and `type="x-shader/x-fragment"` attributes, respectively.
In the JavaScript code, we first get the `<canvas>` element and initialize the WebGL context. We then set the size of the canvas to fill the entire page using `window.innerWidth` and `window.innerHeight`.
Next, we create and compile the vertex and fragment shaders, and link them into a shader program. We define the triangle vertices and create a buffer to store them. We then bind the buffer to the `ARRAY_BUFFER` target and enable the vertex attribute for the position.
Finally, we clear the canvas with a black background color and draw the triangle using `gl.drawArrays(gl.TRIANGLES, 0, 3)`, which draws a triangle using the first three vertices in the buffer.
When you open this HTML file in a web browser that supports WebGL, you should see a red triangle rendered on a black background, taking up the entire page.
Extract Code
I extracted the following code from that output:
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107 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
body, html {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the color of the triangle to red
}
</script>
<script type="text/javascript">
window.onload = function() {
// Get the canvas element
var canvas = document.getElementById("glCanvas");
// Initialize the WebGL context
var gl = canvas.getContext("webgl");
if (!gl) {
console.error("Unable to initialize WebGL.");
return;
}
// Set the size of the canvas to fill the entire page
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Vertex shader source code
var vertexShaderSource = document.getElementById("vertex-shader").text;
// Fragment shader source code
var fragmentShaderSource = document.getElementById("fragment-shader").text;
// Create and compile the vertex shader
var vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create and compile the fragment shader
var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create the shader program and link the shaders
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, vertexShader);
gl.attachShader(shaderProgram, fragmentShader);
gl.linkProgram(shaderProgram);
// Use the shader program
gl.useProgram(shaderProgram);
// Define the triangle vertices
var triangleVertices = [
-0.5, -0.5, // Bottom-left vertex
0.5, -0.5, // Bottom-right vertex
0.0, 0.5 // Top vertex
];
// Create a buffer for the triangle vertices
var triangleVertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(triangleVertices), gl.STATIC_DRAW);
// Get the attribute location for the vertex position
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, "aPosition");
// Enable the attribute
gl.enableVertexAttribArray(positionAttributeLocation);
// Specify how to retrieve vertex data from the buffer
var sizeof = triangleVertices.BYTES_PER_ELEMENT;
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 2 * sizeof, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
Check if all of the following conditions are true:
HTML Render
Rendering the webpage gives the following image:
LLM Generation
Query
This is a screenshot of a webpage that draws something with webgl. I'm trying to see if it drwe what I wanted. Describe what is drawn in this image?
Output
The image shows a solid red triangle centered on a black background. The triangle is pointing upwards and appears to be a simple 2D shape with no additional details or textures visible.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a solid red triangle centered on a black background. The triangle is pointing upwards and appears to be a simple 2D shape with no additional details or textures visible."? Answer "Yes it does" or "No it does not".
Output
Yes it does.
Substring Evaluation
Testing if the previous output contains the string es it does: True
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: True
Initial Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
LLM Generation
Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
Output
Sure, here's an HTML file that draws a triangle using WebGL and makes the canvas take up the full page:
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95 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
canvas {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the triangle color to red
}
</script>
<script type="text/javascript">
window.onload = function() {
// Get the canvas element
var canvas = document.getElementById("glCanvas");
// Get the WebGL rendering context
var gl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
// Set up the viewport
gl.viewport(0, 0, canvas.width, canvas.height);
// Create the vertex shader
var vertexShaderSource = document.getElementById("vertex-shader").text;
var vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create the fragment shader
var fragmentShaderSource = document.getElementById("fragment-shader").text;
var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create the shader program
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, vertexShader);
gl.attachShader(shaderProgram, fragmentShader);
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
// Define the triangle vertices
var triangleVertices = [
-0.5, -0.5, // Bottom-left
0.5, -0.5, // Bottom-right
0.0, 0.5 // Top
];
// Create a buffer for the triangle vertices
var triangleVertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(triangleVertices), gl.STATIC_DRAW);
// Get the attribute location in the shader
var positionLocation = gl.getAttribLocation(shaderProgram, "a_position");
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
}
</script>
</body>
</html>
|
This code sets up a WebGL context, creates vertex and fragment shaders, and defines the triangle vertices. The `window.onload` function is called when the page finishes loading, and it draws the triangle on the canvas.
The CSS styles ensure that the canvas takes up the full page by setting the `html`, `body`, and `canvas` elements to have a width and height of 100% and removing any margins or padding.
When you open this HTML file in a web browser, you should see a red triangle rendered on a full-screen canvas.
Extract Code
I extracted the following code from that output:
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95 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
canvas {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the triangle color to red
}
</script>
<script type="text/javascript">
window.onload = function() {
// Get the canvas element
var canvas = document.getElementById("glCanvas");
// Get the WebGL rendering context
var gl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
// Set up the viewport
gl.viewport(0, 0, canvas.width, canvas.height);
// Create the vertex shader
var vertexShaderSource = document.getElementById("vertex-shader").text;
var vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create the fragment shader
var fragmentShaderSource = document.getElementById("fragment-shader").text;
var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create the shader program
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, vertexShader);
gl.attachShader(shaderProgram, fragmentShader);
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
// Define the triangle vertices
var triangleVertices = [
-0.5, -0.5, // Bottom-left
0.5, -0.5, // Bottom-right
0.0, 0.5 // Top
];
// Create a buffer for the triangle vertices
var triangleVertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(triangleVertices), gl.STATIC_DRAW);
// Get the attribute location in the shader
var positionLocation = gl.getAttribLocation(shaderProgram, "a_position");
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
}
</script>
</body>
</html>
|
Check if all of the following conditions are true:
HTML Render
Rendering the webpage gives the following image:
LLM Generation
Query
This is a screenshot of a webpage that draws something with webgl. I'm trying to see if it drwe what I wanted. Describe what is drawn in this image?
Output
The image shows a red triangle centered on a black background. The triangle is pointing upwards and appears to be a solid color with no gradients or textures.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a red triangle centered on a black background. The triangle is pointing upwards and appears to be a solid color with no gradients or textures."? Answer "Yes it does" or "No it does not".
Output
Yes it does.
Substring Evaluation
Testing if the previous output contains the string es it does: True
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: True
Initial Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
LLM Generation
Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
Output
Here's an example of an HTML file that draws a triangle using WebGL. The canvas will take up the full page:
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83 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
body, html {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
</script>
<script type="text/javascript">
window.onload = function() {
const canvas = document.getElementById('glCanvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const gl = canvas.getContext('webgl');
if (!gl) {
console.error('WebGL is not supported in this browser.');
return;
}
const vertexShaderSource = document.getElementById('vertex-shader').text;
const fragmentShaderSource = document.getElementById('fragment-shader').text;
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
const vertices = [
-0.5, -0.5,
0.5, -0.5,
0.0, 0.5
];
const bufferId = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, bufferId);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
const aPosition = gl.getAttribLocation(program, 'aPosition');
gl.vertexAttribPointer(aPosition, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(aPosition);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
This code sets up a WebGL context and creates a triangle by defining its vertex positions and colors. The triangle will be drawn in red color and will cover the entire canvas area.
Here's how the code works:
1. The HTML file includes two `<script>` tags with the vertex and fragment shader sources.
2. The `window.onload` function is called when the page finishes loading.
3. Inside the `window.onload` function, we get a reference to the `<canvas>` element and set its width and height to the current window dimensions.
4. We create a WebGL context from the canvas and check if it's supported in the browser.
5. We compile the vertex and fragment shaders and create a WebGL program by attaching and linking the shaders.
6. We define the vertex positions for the triangle as an array of floats.
7. We create a buffer object and bind it to the `ARRAY_BUFFER` target.
8. We upload the vertex data to the buffer object.
9. We get the attribute location for the `aPosition` vertex attribute and enable it.
10. We set the background color and clear the color buffer.
11. Finally, we draw the triangle using `gl.drawArrays(gl.TRIANGLES, 0, 3)`, which renders the three vertices as a triangle.
When you open this HTML file in a browser that supports WebGL, you should see a red triangle covering the entire page.
Extract Code
I extracted the following code from that output:
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83 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
body, html {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
</script>
<script type="text/javascript">
window.onload = function() {
const canvas = document.getElementById('glCanvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const gl = canvas.getContext('webgl');
if (!gl) {
console.error('WebGL is not supported in this browser.');
return;
}
const vertexShaderSource = document.getElementById('vertex-shader').text;
const fragmentShaderSource = document.getElementById('fragment-shader').text;
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
const vertices = [
-0.5, -0.5,
0.5, -0.5,
0.0, 0.5
];
const bufferId = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, bufferId);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
const aPosition = gl.getAttribLocation(program, 'aPosition');
gl.vertexAttribPointer(aPosition, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(aPosition);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
Check if all of the following conditions are true:
HTML Render
Rendering the webpage gives the following image:
LLM Generation
Query
This is a screenshot of a webpage that draws something with webgl. I'm trying to see if it drwe what I wanted. Describe what is drawn in this image?
Output
The image shows a solid red triangle centered on a black background. The triangle appears to be equilateral, with all three sides of equal length and all three angles likely to be 60 degrees each, which is characteristic of an equilateral triangle.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a solid red triangle centered on a black background. The triangle appears to be equilateral, with all three sides of equal length and all three angles likely to be 60 degrees each, which is characteristic of an equilateral triangle."? Answer "Yes it does" or "No it does not".
Output
Yes it does.
Substring Evaluation
Testing if the previous output contains the string es it does: True
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: True
Initial Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
LLM Generation
Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
Output
Here's a single HTML file that draws a triangle using WebGL, with the canvas taking up the full page:
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96 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the color to red
}
</script>
<script>
window.onload = function() {
// Get the canvas element
const canvas = document.getElementById('glCanvas');
// Get the WebGL rendering context
const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
// Set the canvas to take up the full page
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Vertex shader source code
const vertexShaderSource = document.getElementById('vertex-shader').text;
// Fragment shader source code
const fragmentShaderSource = document.getElementById('fragment-shader').text;
// Create vertex shader object
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create fragment shader object
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create shader program
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
// Define the triangle vertices
const triangleVertices = new Float32Array([
-0.5, -0.5, // Bottom-left vertex
0.5, -0.5, // Bottom-right vertex
0.0, 0.5 // Top vertex
]);
// Create a buffer to hold the vertex data
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, triangleVertices, gl.STATIC_DRAW);
// Get the attribute location
const positionLocation = gl.getAttribLocation(program, 'a_position');
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
This code sets up a WebGL context, creates and compiles vertex and fragment shaders, and then renders a red triangle using the provided vertex data. The `<style>` section ensures that the canvas takes up the full page by setting the `html`, `body`, and canvas elements to fill the entire window.
When you open this HTML file in a web browser, you should see a full-screen red triangle.
Extract Code
I extracted the following code from that output:
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96 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<meta charset="utf-8">
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script id="vertex-shader" type="x-shader/x-vertex">
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
</script>
<script id="fragment-shader" type="x-shader/x-fragment">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the color to red
}
</script>
<script>
window.onload = function() {
// Get the canvas element
const canvas = document.getElementById('glCanvas');
// Get the WebGL rendering context
const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
// Set the canvas to take up the full page
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Vertex shader source code
const vertexShaderSource = document.getElementById('vertex-shader').text;
// Fragment shader source code
const fragmentShaderSource = document.getElementById('fragment-shader').text;
// Create vertex shader object
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
// Create fragment shader object
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
// Create shader program
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
// Define the triangle vertices
const triangleVertices = new Float32Array([
-0.5, -0.5, // Bottom-left vertex
0.5, -0.5, // Bottom-right vertex
0.0, 0.5 // Top vertex
]);
// Create a buffer to hold the vertex data
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, triangleVertices, gl.STATIC_DRAW);
// Get the attribute location
const positionLocation = gl.getAttribLocation(program, 'a_position');
gl.enableVertexAttribArray(positionLocation);
gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);
// Clear the canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Draw the triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
Check if all of the following conditions are true:
HTML Render
Rendering the webpage gives the following image:
LLM Generation
Query
This is a screenshot of a webpage that draws something with webgl. I'm trying to see if it drwe what I wanted. Describe what is drawn in this image?
Output
The image shows a solid red triangle centered on a black background. The triangle is pointing upwards and appears to be a simple 2D shape with no additional details or textures visible.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a solid red triangle centered on a black background. The triangle is pointing upwards and appears to be a simple 2D shape with no additional details or textures visible."? Answer "Yes it does" or "No it does not".
Output
Yes it does.
Substring Evaluation
Testing if the previous output contains the string es it does: True
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: True
Initial Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
LLM Generation
Query
Draw an image of a triangle using WebGL in a single HTML file. Make the canvas take the full page.
Output
Here's an HTML file that draws a triangle using WebGL and fills the entire page with the canvas:
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86 | <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Triangle with WebGL</title>
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script type="x-shader/x-vertex" id="vertexShader">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script type="x-shader/x-fragment" id="fragmentShader">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the triangle color to red
}
</script>
<script>
window.onload = function() {
const canvas = document.getElementById('glCanvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const gl = canvas.getContext('webgl');
if (!gl) {
console.error('WebGL is not supported in your browser.');
return;
}
const vertexShaderSource = document.getElementById('vertexShader').textContent;
const fragmentShaderSource = document.getElementById('fragmentShader').textContent;
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
const vertexData = [
-0.5, -0.5, // Triangle vertex 1
0.5, -0.5, // Triangle vertex 2
0.0, 0.5 // Triangle vertex 3
];
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertexData), gl.STATIC_DRAW);
const aPosition = gl.getAttribLocation(program, 'aPosition');
gl.vertexAttribPointer(aPosition, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(aPosition);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
In this code:
1. We create a `<canvas>` element with the ID `glCanvas` that will be used to render the WebGL content.
2. We define the vertex and fragment shaders in `<script>` tags with the `type="x-shader/x-vertex"` and `type="x-shader/x-fragment"` attributes, respectively.
3. In the JavaScript code, we get a reference to the `<canvas>` element and set its width and height to the window's inner width and height, respectively.
4. We create a WebGL context and check if it's supported.
5. We compile the vertex and fragment shaders and create a WebGL program by attaching the shaders.
6. We define the vertex data for the triangle and create a buffer to hold this data.
7. We associate the vertex data buffer with the `aPosition` attribute in the vertex shader.
8. We set the clear color to black and clear the color buffer.
9. Finally, we draw the triangle using `gl.drawArrays(gl.TRIANGLES, 0, 3)`.
When you open this HTML file in a modern web browser that supports WebGL, you should see a red triangle filling the entire page.
Extract Code
I extracted the following code from that output:
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86 | <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Triangle with WebGL</title>
<style>
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
</style>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script type="x-shader/x-vertex" id="vertexShader">
attribute vec2 aPosition;
void main() {
gl_Position = vec4(aPosition, 0.0, 1.0);
}
</script>
<script type="x-shader/x-fragment" id="fragmentShader">
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); // Set the triangle color to red
}
</script>
<script>
window.onload = function() {
const canvas = document.getElementById('glCanvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const gl = canvas.getContext('webgl');
if (!gl) {
console.error('WebGL is not supported in your browser.');
return;
}
const vertexShaderSource = document.getElementById('vertexShader').textContent;
const fragmentShaderSource = document.getElementById('fragmentShader').textContent;
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(vertexShader, vertexShaderSource);
gl.compileShader(vertexShader);
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
gl.shaderSource(fragmentShader, fragmentShaderSource);
gl.compileShader(fragmentShader);
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.useProgram(program);
const vertexData = [
-0.5, -0.5, // Triangle vertex 1
0.5, -0.5, // Triangle vertex 2
0.0, 0.5 // Triangle vertex 3
];
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertexData), gl.STATIC_DRAW);
const aPosition = gl.getAttribLocation(program, 'aPosition');
gl.vertexAttribPointer(aPosition, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(aPosition);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.drawArrays(gl.TRIANGLES, 0, 3);
};
</script>
</body>
</html>
|
Check if all of the following conditions are true:
HTML Render
Rendering the webpage gives the following image:
LLM Generation
Query
This is a screenshot of a webpage that draws something with webgl. I'm trying to see if it drwe what I wanted. Describe what is drawn in this image?
Output
The image shows a solid red triangle centered on a black background. The triangle appears to be equilateral, with all three sides of equal length and all three angles likely to be 60 degrees each, which is characteristic of an equilateral triangle.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a solid red triangle centered on a black background. The triangle appears to be equilateral, with all three sides of equal length and all three angles likely to be 60 degrees each, which is characteristic of an equilateral triangle."? Answer "Yes it does" or "No it does not".
Output
Yes it does.
Substring Evaluation
Testing if the previous output contains the string es it does: True
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: True