:quality(85)/https:%2F%2Fcdn.frvr.ai/686b88f1298ae6a06723794d.png)
:quality(85)/https:%2F%2Fcdn.frvr.ai/686b890f298ae6a06723794f.png)
Creation History
Code edit (5 edits merged)
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Make a translateTriangle function and centre the cube with the translateTriangle function.
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Please fix the bug: 'Cannot read properties of undefined (reading '0')' in or related to this line: 'var p1 = project(triangle[0], triangle[1], triangle[2]);' Line Number: 144
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In the projectTriangle function, use perspective project on the 3 points array in the triangle parameter, and return a 2 point array to draw.
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make an arg for wireframes on the drawTri function, default false.
Code edit (2 edits merged)
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In the drawTri function, fill in the triangles using the scanline rendering algorithm.
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Fill in the triangles using the scanline rendering algorithm.
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Create a class "Cube" and store the triangles for now.
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optimise the code for speed
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Draw a 1000 random lines in a loop in between the start valuable and the console log
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Please fix the bug: 'toString is not a function' in or related to this line: 'console.log("Time: " + toString(Date.now() - start));' Line Number: 82
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Draw the triangles in the tris.forEach function
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Make a line drawing function using the putPixel function
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Please fix the bug: 'tween.to is not a function' in or related to this line: 'tween.to(self, {' Line Number: 36 ↪💡 Consider importing and using the following plugins: @upit/tween.v1
/****
* Initialize Game
****/
var game = new LK.Game({
backgroundColor: 0
});
/****
* Game Code
****/
// Game constants for the grid
var GRID_SIZE = 64;
var PIXEL_SIZE = 2048 / GRID_SIZE;
// Create the grid of pixels
function putPixel(x, y, color) {
if (x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE) {
game.children[x + y * GRID_SIZE].tint = color;
}
}
// Line drawing function using Bresenham's line algorithm
function drawLine(x0, y0, x1, y1, color) {
var dx = Math.abs(x1 - x0);
var dy = Math.abs(y1 - y0);
var sx = x0 < x1 ? 1 : -1;
var sy = y0 < y1 ? 1 : -1;
var err = dx - dy;
var x = x0;
var y = y0;
while (true) {
putPixel(x, y, color);
if (x === x1 && y === y1) break;
var e2 = 2 * err;
if (e2 > -dy) {
err -= dy;
x += sx;
}
if (e2 < dx) {
err += dx;
y += sy;
}
}
}
var colorIndex = 0;
for (var y = 0; y < GRID_SIZE; y++) {
for (var x = 0; x < GRID_SIZE; x++) {
// Center the virtual screen
var offset = 2732 / 2 - GRID_SIZE * PIXEL_SIZE / 2;
// Get an instance of our pixel asset
var pixel = LK.getAsset('pixel', {
x: x * PIXEL_SIZE,
y: y * PIXEL_SIZE + offset,
tint: 0
});
// Add the pixel to the game stage
game.addChild(pixel);
}
} ===================================================================
--- original.js
+++ change.js
@@ -11,8 +11,36 @@
// Game constants for the grid
var GRID_SIZE = 64;
var PIXEL_SIZE = 2048 / GRID_SIZE;
// Create the grid of pixels
+function putPixel(x, y, color) {
+ if (x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE) {
+ game.children[x + y * GRID_SIZE].tint = color;
+ }
+}
+// Line drawing function using Bresenham's line algorithm
+function drawLine(x0, y0, x1, y1, color) {
+ var dx = Math.abs(x1 - x0);
+ var dy = Math.abs(y1 - y0);
+ var sx = x0 < x1 ? 1 : -1;
+ var sy = y0 < y1 ? 1 : -1;
+ var err = dx - dy;
+ var x = x0;
+ var y = y0;
+ while (true) {
+ putPixel(x, y, color);
+ if (x === x1 && y === y1) break;
+ var e2 = 2 * err;
+ if (e2 > -dy) {
+ err -= dy;
+ x += sx;
+ }
+ if (e2 < dx) {
+ err += dx;
+ y += sy;
+ }
+ }
+}
var colorIndex = 0;
for (var y = 0; y < GRID_SIZE; y++) {
for (var x = 0; x < GRID_SIZE; x++) {
// Center the virtual screen
@@ -25,6 +53,5 @@
});
// Add the pixel to the game stage
game.addChild(pixel);
}
-}
-game.children[3].tint = 0xFF0000;
\ No newline at end of file
+}
\ No newline at end of file
