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[CT404]: Assignment 1 Q1 Working

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Aindréas Ó hAodha
2024-10-13 11:09:30 +01:00
parent 9aaa8b1c5d
commit 24c190c184
2 changed files with 316 additions and 82 deletions
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200
year4/semester1/CT404: Graphics & Image Processing/assignments/assignment1/code/backup.js Normal file
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const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');
// set canvas dimensions
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// draw the stick figures
draw();
function drawStickFigure(x, y) {
ctx.lineWidth = 3;
ctx.strokeStyle = 'black';
// draw the stick figure's head
ctx.beginPath();
ctx.arc(x, y - 30, 20, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's left eye
ctx.beginPath();
ctx.arc(x - 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's right eye
ctx.beginPath();
ctx.arc(x + 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's mouth
ctx.beginPath();
ctx.arc(x, y - 25, 6, 0, Math.PI);
ctx.stroke();
// Body
ctx.beginPath();
ctx.moveTo(x, y - 10);
ctx.lineTo(x, y + 50); // Length of body
ctx.stroke();
// Arms
ctx.beginPath();
ctx.moveTo(x - 30, y + 10); // Left arm
ctx.lineTo(x + 30, y + 10); // Right arm
ctx.stroke();
// Legs
ctx.beginPath();
ctx.moveTo(x, y + 50); // Start at bottom of body
ctx.lineTo(x - 20, y + 100); // Left leg
ctx.moveTo(x, y + 50);
ctx.lineTo(x + 20, y + 100); // Right leg
ctx.stroke();
}
// Animation function
// function animate() {
// ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear the canvas
//
// drawStickFigure(x, y); // Draw stick figure at current position
//
// // Update position
// x += dx;
// y += dy;
//
// // Check boundaries and reverse direction if necessary
// if (x + 20 > canvas.width || x - 20 < 0) dx = -dx; // Horizontal boundary check
// if (y + 100 > canvas.height || y - 50 < 0) dy = -dy; // Vertical boundary check
//
// requestAnimationFrame(animate); // Recursive call to keep animation going
// }
// Start animation
// animate();
function draw() {
// prompt the user to enter a number in a range and not continuing under a number in that range is selected
let numberStickFigures = 5;
// let numberStickFigures = 0;
// while (numberStickFigures < 1 || numberStickFigures > 5) {
// numberStickFigures = prompt("Enter an integer between 1 and 5");
// }
for (let i = 1; i <= numberStickFigures; i++) {
// place the stick figure randomly on the canvas
const x = Math.floor(Math.random() * canvas.width);
const y = Math.floor(Math.random() * canvas.height);
drawStickFigure(x, y);
}
}
const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');
// set canvas dimensions
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// Store stick figure data
let stickFigures = [];
// Generate random number of stick figures between 1 and 5
let numberStickFigures = 5;
// Create stick figures with random positions and velocities
for (let i = 0; i < numberStickFigures; i++) {
stickFigures.push({
x: Math.random() * canvas.width,
y: Math.random() * canvas.height,
dx: (Math.random() - 0.5) * 8,
dy: (Math.random() - 0.5) * 8,
danceSpeed: Math.random() * 5,
limbAngle: 0
});
}
// Draw the stick figure
function drawStickFigure(x, y) {
ctx.lineWidth = 3;
ctx.strokeStyle = 'black';
// Draw the stick figure's head
ctx.beginPath();
ctx.arc(x, y - 30, 20, 0, Math.PI * 2);
ctx.stroke();
// Draw the stick figure's left eye
ctx.beginPath();
ctx.arc(x - 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// Draw the stick figure's right eye
ctx.beginPath();
ctx.arc(x + 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// Draw the stick figure's mouth
ctx.beginPath();
ctx.arc(x, y - 25, 6, 0, Math.PI);
ctx.stroke();
// Body
ctx.beginPath();
ctx.moveTo(x, y - 10);
ctx.lineTo(x, y + 50); // Length of body
ctx.stroke();
// Arms
ctx.beginPath();
// right arm
ctx.moveTo(x, y + 10);
ctx.lineTo(x + 30, y + 10);
ctx.stroke();
// left arm
ctx.moveTo(x, y + 10);
ctx.lineTo(x - 30, y + 10);
ctx.stroke();
// Legs
ctx.beginPath();
ctx.moveTo(x, y + 50); // Start at bottom of body
ctx.lineTo(x - 20, y + 100); // Left leg
ctx.moveTo(x, y + 50);
ctx.lineTo(x + 20, y + 100); // Right leg
ctx.stroke();
}
// Update the position of each stick figure and bounce off the boundaries
function updateStickFigures() {
ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear the canvas
stickFigures.forEach((figure) => {
// Update position
figure.x += figure.dx;
figure.y += figure.dy;
// Bounce off the boundaries
if (figure.x + 20 > canvas.width || figure.x - 20 < 0) figure.dx = -figure.dx; // Horizontal boundary check
if (figure.y + 100 > canvas.height || figure.y - 50 < 0) figure.dy = -figure.dy; // Vertical boundary check
// Draw updated figure
drawStickFigure(figure.x, figure.y);
});
requestAnimationFrame(updateStickFigures); // Recursive call for animation
}
// Start animation
updateStickFigures();

198
year4/semester1/CT404: Graphics & Image Processing/assignments/assignment1/code/script.js
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const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');
const context = canvas.getContext('2d');
// set canvas dimensions
// make canvas the same size as the window
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
// draw the stick figures
draw();
// Draw stick figure function
function drawStickFigure(x, y) {
ctx.lineWidth = 3;
ctx.strokeStyle = 'black';
// draw the stick figure's head
ctx.beginPath();
ctx.arc(x, y - 30, 20, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's left eye
ctx.beginPath();
ctx.arc(x - 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's right eye
ctx.beginPath();
ctx.arc(x + 7, y - 33, 1, 0, Math.PI * 2);
ctx.stroke();
// draw the stick figure's mouth
ctx.beginPath();
ctx.arc(x, y - 25, 6, 0, Math.PI);
ctx.stroke();
// Body
ctx.beginPath();
ctx.moveTo(x, y - 10);
ctx.lineTo(x, y + 50); // Length of body
ctx.stroke();
// Arms
ctx.beginPath();
ctx.moveTo(x - 30, y + 10); // Left arm
ctx.lineTo(x + 30, y + 10); // Right arm
ctx.stroke();
// Legs
ctx.beginPath();
ctx.moveTo(x, y + 50); // Start at bottom of body
ctx.lineTo(x - 20, y + 100); // Left leg
ctx.moveTo(x, y + 50);
ctx.lineTo(x + 20, y + 100); // Right leg
ctx.stroke();
// prompt user to enter a number between 1 and 5 and not continuing until one is selected
let numberStickFigures = 0;
while (numberStickFigures < 1 || numberStickFigures > 5) {
numberStickFigures = prompt("Enter an integer between 1 and 5");
}
// Animation function
// function animate() {
// ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear the canvas
//
// drawStickFigure(x, y); // Draw stick figure at current position
//
// // Update position
// x += dx;
// y += dy;
//
// // Check boundaries and reverse direction if necessary
// if (x + 20 > canvas.width || x - 20 < 0) dx = -dx; // Horizontal boundary check
// if (y + 100 > canvas.height || y - 50 < 0) dy = -dy; // Vertical boundary check
//
// requestAnimationFrame(animate); // Recursive call to keep animation going
// }
// array to store position, speed etc of each stick figure
let stickFigures = [];
// Create stick figures with random positions and velocities
for (let i = 0; i < numberStickFigures; i++) {
stickFigures.push({
x: Math.random() * canvas.width,
y: Math.random() * canvas.height,
dx: (Math.random() - 0.5) * 4,
dy: (Math.random() - 0.5) * 4,
angle: 0, // Initial limb angle
angleSpeed: (Math.random() * 0.05) + 0.02 // Speed of limb movement
});
}
// Draw the stick figure
function drawStickFigure(x, y, angle) {
context.lineWidth = 3;
context.strokeStyle = 'black';
// draw the head
context.beginPath();
context.arc(x, y - 30, 20, 0, Math.PI * 2);
context.stroke();
// left eye
context.beginPath();
context.arc(x - 7, y - 33, 1, 0, Math.PI * 2);
context.stroke();
context.fill(); // fill in circle
// right eye
context.beginPath();
context.arc(x + 7, y - 33, 1, 0, Math.PI * 2);
context.stroke();
context.fill();
// mouth
context.beginPath();
context.arc(x, y - 25, 6, 0, Math.PI);
context.stroke();
// torso
context.beginPath();
context.moveTo(x, y - 10);
context.lineTo(x, y + 50);
context.stroke();
// Arms with 2 parts (upper and lower arm)
const armLength = 30;
const upperArmAngle = Math.sin(angle) * Math.PI / 4; // Swinging angle for upper arms
const lowerArmAngle = Math.cos(angle) * Math.PI / -2; // Swinging angle for lower arms
context.beginPath();
// Left upper arm
context.moveTo(x, y + 10);
context.lineTo(x - armLength * Math.cos(upperArmAngle), y + 10 + armLength * Math.sin(upperArmAngle));
// Left lower arm
context.lineTo(x - armLength * Math.cos(upperArmAngle) - armLength * Math.cos(lowerArmAngle), y + 10 + armLength * Math.sin(upperArmAngle) + armLength * Math.sin(lowerArmAngle));
// Right upper arm
context.moveTo(x, y + 10);
context.lineTo(x + armLength * Math.cos(upperArmAngle), y + 10 + armLength * Math.sin(upperArmAngle));
// Right lower arm
context.lineTo(x + armLength * Math.cos(upperArmAngle) + armLength * Math.cos(lowerArmAngle), y + 10 + armLength * Math.sin(upperArmAngle) + armLength * Math.sin(lowerArmAngle));
context.stroke();
// Legs with 2 parts (thigh and calf)
const legLength = 40;
const upperLegAngle = Math.sin(angle) * Math.PI / 5; // Swinging angle for upper legs
const lowerLegAngle = Math.cos(angle) * Math.PI / 2; // Swinging angle for lower legs
context.beginPath();
// Left upper leg
context.moveTo(x, y + 50);
context.lineTo(x - legLength * Math.cos(upperLegAngle), y + 50 + legLength * Math.sin(upperLegAngle));
// Left lower leg
context.lineTo(x - legLength * Math.cos(upperLegAngle) - legLength * Math.cos(lowerLegAngle), y + 50 + legLength * Math.sin(upperLegAngle) + legLength * Math.sin(lowerLegAngle));
// Right upper leg
context.moveTo(x, y + 50);
context.lineTo(x + legLength * Math.cos(upperLegAngle), y + 50 + legLength * Math.sin(upperLegAngle));
// Right lower leg
context.lineTo(x + legLength * Math.cos(upperLegAngle) + legLength * Math.cos(lowerLegAngle), y + 50 + legLength * Math.sin(upperLegAngle) + legLength * Math.sin(lowerLegAngle));
context.stroke();
}
// Update the position and dance movements of each stick figure
function updateStickFigures() {
context.clearRect(0, 0, canvas.width, canvas.height); // Clear the canvas
stickFigures.forEach((figure) => {
// Update position
figure.x += figure.dx;
figure.y += figure.dy;
// Bounce off the boundaries
if (figure.x + 20 > canvas.width || figure.x - 20 < 0) figure.dx = -figure.dx; // Horizontal boundary check
if (figure.y + 100 > canvas.height || figure.y - 50 < 0) figure.dy = -figure.dy; // Vertical boundary check
// Update limb angles for dancing
figure.angle += figure.angleSpeed;
// Draw the updated stick figure with animated limbs
drawStickFigure(figure.x, figure.y, figure.angle);
});
requestAnimationFrame(updateStickFigures); // Recursive call for animation
}
// Start animation
// animate();
function draw() {
// prompt the user to enter a number in a range and not continuing under a number in that range is selected
let numberStickFigures = 0;
while (numberStickFigures < 1 || numberStickFigures > 5) {
numberStickFigures = prompt("Enter an integer between 1 and 5");
}
for (let i = 1; i <= numberStickFigures; i++) {
// place the stick figure randomly on the canvas
const x = Math.floor(Math.random() * canvas.width);
const y = Math.floor(Math.random() * canvas.height);
drawStickFigure(x, y);
}
}
updateStickFigures();