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 uses WebGL to draw a triangle and makes the canvas take up the full page:
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74 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body, canvas {
margin: 0;
padding: 0;
width: 100vw;
height: 100vh;
display: block;
}
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
// Get canvas and WebGL context
const canvas = document.getElementById("webgl-canvas");
const gl = canvas.getContext("webgl");
// Set clear color and clear canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Define triangle vertices
const vertices = [
0.0, 0.5,
-0.5, -0.5,
0.5, -0.5,
];
// Create buffer for triangle vertices
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
// Define shaders for WebGL program
const vertexShaderSource = `
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
`;
const fragmentShaderSource = `
void main() {
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
}
`;
// Compile shaders and link WebGL program
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);
// Bind WebGL program and set up vertex attributes
gl.useProgram(program);
const positionAttributeLocation = gl.getAttribLocation(program, "a_position");
gl.enableVertexAttribArray(positionAttributeLocation);
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
// Draw triangle
gl.drawArrays(gl.TRIANGLES, 0, 3);
</script>
</body>
</html>
|
This code first sets up the HTML document and styles the canvas to take up the full page. It then gets the canvas and WebGL context, sets the clear color, and defines the vertices for the triangle.
Next, the code creates a buffer for the triangle vertices and defines the shaders for the WebGL program. The vertex shader takes the 2D position of each vertex and sets the `gl_Position` variable to a 4D homogeneous coordinate. The fragment shader simply sets the color of each pixel to white.
The code then compiles the shaders, links the WebGL program, and sets up the vertex attributes. Finally, it draws the triangle using the `gl.drawArrays()` function.
Extract Code
I extracted the following code from that output:
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74 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body, canvas {
margin: 0;
padding: 0;
width: 100vw;
height: 100vh;
display: block;
}
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
// Get canvas and WebGL context
const canvas = document.getElementById("webgl-canvas");
const gl = canvas.getContext("webgl");
// Set clear color and clear canvas
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
// Define triangle vertices
const vertices = [
0.0, 0.5,
-0.5, -0.5,
0.5, -0.5,
];
// Create buffer for triangle vertices
const vertexBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
// Define shaders for WebGL program
const vertexShaderSource = `
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
`;
const fragmentShaderSource = `
void main() {
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
}
`;
// Compile shaders and link WebGL program
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);
// Bind WebGL program and set up vertex attributes
gl.useProgram(program);
const positionAttributeLocation = gl.getAttribLocation(program, "a_position");
gl.enableVertexAttribArray(positionAttributeLocation);
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
// Draw 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 drew what I wanted. Describe what is drawn in this image?
Output
The image shows a white equilateral triangle centered on a black background. The triangle's edges are well-defined and it appears to be a simple geometric shape without any additional details or textures.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "The image shows a white equilateral triangle centered on a black background. The triangle's edges are well-defined and it appears to be a simple geometric shape without any additional details 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
Sure, here's a simple example of how you can draw a triangle using WebGL in a single HTML file. This will make the canvas take the full page.
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61 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
var canvas = document.getElementById('webgl-canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
}
`;
var fragmentShader = `
void main() {
gl_FragColor = vec4(1, 0, 0, 1); // Red color
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
var positions = [
0.0, 0.5,
0.5, -0.5,
-0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, 'a_position');
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(
positionAttributeLocation, // Attribute location
2, // Number of elements per attribute
gl.FLOAT, // Type of elements
false,
0, // Size of an individual vertex
0, // Offset from the beginning of a single vertex to this attribute
);
gl.drawArrays(gl.TRIANGLES, 0, 3);
</script>
</body>
</html>
|
This code will create a WebGL context, compile shaders, setup a buffer, and draw a triangle. The triangle will be red, as specified in the fragment shader.
Extract Code
I extracted the following code from that output:
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61 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
var canvas = document.getElementById('webgl-canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
}
`;
var fragmentShader = `
void main() {
gl_FragColor = vec4(1, 0, 0, 1); // Red color
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
var positions = [
0.0, 0.5,
0.5, -0.5,
-0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, 'a_position');
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(
positionAttributeLocation, // Attribute location
2, // Number of elements per attribute
gl.FLOAT, // Type of elements
false,
0, // Size of an individual vertex
0, // Offset from the beginning of a single vertex to this attribute
);
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 drew what I wanted. Describe what is drawn in this image?
Output
I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error."? Answer "Yes it does" or "No it does not".
Output
No it does not.
Substring Evaluation
Testing if the previous output contains the string es it does: False
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: False
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 simple example of how you can draw a triangle using WebGL in a single HTML file. This code will make the canvas take the full page.
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53 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script>
var canvas = document.getElementById('canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
}
`;
var fragmentShader = `
void main() {
gl_FragColor = vec4(1, 0, 0, 1); // Red color
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
0, 0.5,
-0.5, -0.5,
0.5, -0.5,
]), gl.STATIC_DRAW);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, 'a_position');
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLES, 0, 3);
</script>
</body>
</html>
|
This code creates a WebGL context, sets up a pair of shaders, one for the vertices and one for the fragments (pixels), creates a buffer for the vertices of the triangle, and then draws the triangle. The color of the triangle is set to red in the fragment shader.
Extract Code
I extracted the following code from that output:
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53 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script>
var canvas = document.getElementById('canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
}
`;
var fragmentShader = `
void main() {
gl_FragColor = vec4(1, 0, 0, 1); // Red color
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
0, 0.5,
-0.5, -0.5,
0.5, -0.5,
]), gl.STATIC_DRAW);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, 'a_position');
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
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 drew what I wanted. Describe what is drawn in this image?
Output
I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error."? Answer "Yes it does" or "No it does not".
Output
No it does not.
Substring Evaluation
Testing if the previous output contains the string es it does: False
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: False
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 simple example of how you can draw a triangle using WebGL in a single HTML file. The canvas will take up the full page.
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61 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
var canvas = document.getElementById('webgl-canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
if (!gl) {
alert('WebGL not supported');
}
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
gl_PointSize = 10.0;
}
`;
var fragmentShader = `
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, "a_position");
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
var positions = [
0.0, 0.5,
0.5, -0.5,
-0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLES, 0, 3);
</script>
</body>
</html>
|
This code will create a red triangle in the middle of the page. The triangle's vertices are at the coordinates (0.0, 0.5), (0.5, -0.5), and (-0.5, -0.5). The WebGL coordinate system has its origin in the center of the canvas, and the y-axis points upwards. The coordinates are in clip space, so the range is from -1 to 1.
Extract Code
I extracted the following code from that output:
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61 | <!DOCTYPE html>
<html>
<head>
<title>WebGL Triangle</title>
<style>
body { margin: 0; }
canvas { display: block; }
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
var canvas = document.getElementById('webgl-canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
if (!gl) {
alert('WebGL not supported');
}
var vertexShader = `
attribute vec4 a_position;
void main() {
gl_Position = a_position;
gl_PointSize = 10.0;
}
`;
var fragmentShader = `
precision mediump float;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
`;
var shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, gl.createShader(gl.VERTEX_SHADER, vertexShader));
gl.attachShader(shaderProgram, gl.createShader(gl.FRAGMENT_SHADER, fragmentShader));
gl.linkProgram(shaderProgram);
gl.useProgram(shaderProgram);
var positionAttributeLocation = gl.getAttribLocation(shaderProgram, "a_position");
var positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
var positions = [
0.0, 0.5,
0.5, -0.5,
-0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
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 drew what I wanted. Describe what is drawn in this image?
Output
I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error."? Answer "Yes it does" or "No it does not".
Output
No it does not.
Substring Evaluation
Testing if the previous output contains the string es it does: False
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: False
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
I cannot directly create or draw images for you. However, I can provide you with an example of an HTML file that uses WebGL to draw a triangle and makes the canvas take up the full page.
Here's the code:
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95 | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WebGL Triangle</title>
<style>
body, canvas {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
display: block;
}
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
const canvas = document.getElementById('webgl-canvas');
const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
if (!gl) {
alert('Your browser does not support WebGL');
return;
}
const vertexShaderSource = `
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
`;
const fragmentShaderSource = `
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
`;
const vertexShader = createShader(gl, gl.VERTEX_SHADER, vertexShaderSource);
const fragmentShader = createShader(gl, gl.FRAGMENT_SHADER, fragmentShaderSource);
const program = createProgram(gl, vertexShader, fragmentShader);
const positionAttributeLocation = gl.getAttribLocation(program, 'a_position');
const positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
const positions = [
0.0, 0.5,
-0.5, -0.5,
0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.useProgram(program);
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLES, 0, 3);
function createShader(gl, type, source) {
const shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
alert('An error occurred compiling the shader: ' + gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
return null;
}
return shader;
}
function createProgram(gl, vertexShader, fragmentShader) {
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
alert('Unable to initialize the shader program: ' + gl.getProgramInfoLog(program));
return null;
}
return program;
}
</script>
</body>
</html>
|
This code creates an HTML file with a full-page canvas and uses WebGL to draw a red triangle on it. If you open this file in a web browser that supports WebGL, you should see the triangle.
Extract Code
I extracted the following code from that output:
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95 | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>WebGL Triangle</title>
<style>
body, canvas {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
display: block;
}
</style>
</head>
<body>
<canvas id="webgl-canvas"></canvas>
<script>
const canvas = document.getElementById('webgl-canvas');
const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
if (!gl) {
alert('Your browser does not support WebGL');
return;
}
const vertexShaderSource = `
attribute vec2 a_position;
void main() {
gl_Position = vec4(a_position, 0.0, 1.0);
}
`;
const fragmentShaderSource = `
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
`;
const vertexShader = createShader(gl, gl.VERTEX_SHADER, vertexShaderSource);
const fragmentShader = createShader(gl, gl.FRAGMENT_SHADER, fragmentShaderSource);
const program = createProgram(gl, vertexShader, fragmentShader);
const positionAttributeLocation = gl.getAttribLocation(program, 'a_position');
const positionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
const positions = [
0.0, 0.5,
-0.5, -0.5,
0.5, -0.5,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
gl.useProgram(program);
gl.enableVertexAttribArray(positionAttributeLocation);
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLES, 0, 3);
function createShader(gl, type, source) {
const shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
alert('An error occurred compiling the shader: ' + gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
return null;
}
return shader;
}
function createProgram(gl, vertexShader, fragmentShader) {
const program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
alert('Unable to initialize the shader program: ' + gl.getProgramInfoLog(program));
return null;
}
return program;
}
</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 drew what I wanted. Describe what is drawn in this image?
Output
I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error.
LLM Generation
Query
Does this answer say that there is a picture of a triangle "I'm sorry, but I can't provide a description because the image you've uploaded doesn't contain any visible content. It appears to be a blank or white image. If there is supposed to be something drawn with WebGL, it is not visible in the image provided. Please check the image and try uploading again if there was an error."? Answer "Yes it does" or "No it does not".
Output
No it does not.
Substring Evaluation
Testing if the previous output contains the string es it does: False
Check this condition is not true:
Substring Evaluation
Testing if the previous output contains the string THREE.: False
Final Answer: True
Final Answer: False