Merge pull request #184 from IBCornelsen/Jens

CAD
This commit is contained in:
Jens Cornelsen
2024-12-09 22:34:20 +01:00
committed by GitHub

View File

@@ -8,32 +8,32 @@
<ul id="line-log"></ul>
</div>
<script type="ts">
<div class="controls">
<button onclick="clearCanvas()">Clear</button>
</div>
<canvas id="cadCanvas" width="800" height="600"></canvas>
<div class="log">
<strong>Captured Lines:</strong>
<ul id="line-log"></ul>
</div>
const canvas = document.getElementById('cadCanvas') as HTMLCanvasElement;
const ctx = canvas.getContext('2d') as CanvasRenderingContext2D;
const lineLog = document.getElementById('line-log') as HTMLUListElement;
const pixelToMeter: number = 0.01; // Conversion factor: 1 pixel = 0.01 meter
const gridSize: number = 5; // Size of each grid cell in pixels
let startX: number | null = null;
let startY: number | null = null;
interface Line {
startX: number;
startY: number;
endX: number;
endY: number;
}
const capturedLines: Line[] = [];
<script>
const canvas = document.getElementById('cadCanvas');
const ctx = canvas.getContext('2d');
const lineLog = document.getElementById('line-log');
const pixelToMeter = 0.01; // Conversion factor: 1 pixel = 0.01 meter
const gridSize = 5; // Size of each grid cell in pixels
let startX = null;
let startY = null;
let capturedLines = [];
// Snap a coordinate to the nearest grid point
function snapToGrid(value: number): number {
function snapToGrid(value) {
return Math.round(value / gridSize) * gridSize;
}
// Draw the grid
function drawGrid(): void {
function drawGrid() {
ctx.beginPath();
ctx.strokeStyle = "#e0e0e0"; // Light gray grid lines
ctx.lineWidth = 0.5;
@@ -54,9 +54,9 @@
}
// Clear the canvas and reset logs
function clearCanvas(): void {
function clearCanvas() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
capturedLines.length = 0;
capturedLines = [];
startX = null;
startY = null;
drawGrid(); // Redraw the grid after clearing
@@ -64,17 +64,17 @@
}
// Update the captured lines log
function updateLineLog(): void {
function updateLineLog() {
lineLog.innerHTML = capturedLines
.map((line, index) => {
const lengthInMeters = calculateLineLengthInMeters(line.startX, line.startY, line.endX, line.endY);
return `<li>Line ${index + 1}: Start (${line.startX}, ${line.startY}), End (${line.endX}, ${line.endY}), Length: ${lengthInMeters.toFixed(2)} m</li>`;
return <li>Line ${index + 1}: Start (${line.startX}, ${line.startY}), End (${line.endX}, ${line.endY}), Length: ${lengthInMeters.toFixed(2)} m</li>;
})
.join('');
}
// Calculate the length of a line in meters
function calculateLineLengthInMeters(x1: number, y1: number, x2: number, y2: number): number {
function calculateLineLengthInMeters(x1, y1, x2, y2) {
const dx = x2 - x1;
const dy = y2 - y1;
const lengthInPixels = Math.sqrt(dx * dx + dy * dy);
@@ -82,7 +82,7 @@
}
// Mouse events
canvas.addEventListener('mousedown', (e: MouseEvent): void => {
canvas.addEventListener('mousedown', (e) => {
const endX = snapToGrid(e.offsetX);
const endY = snapToGrid(e.offsetY);
@@ -101,7 +101,7 @@
});
// Drawing functions
function drawLine(x1: number, y1: number, x2: number, y2: number): void {
function drawLine(x1, y1, x2, y2) {
ctx.beginPath();
ctx.strokeStyle = "#000000"; // Black color for lines
ctx.lineWidth = 2; // Thicker lines