HyperOnion
/
boxes
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refactor graphics code. 

separate tile drawing from box/world drawing, and simplify some of the
math.
This commit is contained in:
HyperOnion 2023-06-24 19:16:16 +02:00
parent 1c79bca1c9
commit b28dcba597
1 changed files with 19 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
js/graphics.mjs
View File

@ -13,7 +13,7 @@ graphics.set_size(canvas.width, canvas.height);
const BASE_SCALE = 81;
export function draw_tile (x, y, size = BASE_SCALE) {
export function draw_rect (x, y, size = BASE_SCALE) {
graphics.fill_rect(x, y, size, size);
}
@ -28,8 +28,7 @@ export function draw_floor (start_x, start_y, scale, invert = false) {
} else {
graphics.set_color("#888");
}
const [visual_x, visual_y] = project_pos(x, y, scale);
draw_tile(start_x + visual_x, start_y + visual_y, scale);
draw_rect(x * scale + start_x, y * scale + start_y, scale);
});
}
@ -38,29 +37,32 @@ export function draw_world (box, start_x = 0, start_y = 0, scale = BASE_SCALE) {
iter_2d(range(0, world.BOX_SIZE - 1), (x, y) => {
const tile = world.get_tile(box, x, y);
const [visual_x, visual_y] = project_pos(x, y, scale);
switch (tile.type) {
case "box": {
draw_world(tile.box, start_x + visual_x, start_y + visual_y, scale / world.BOX_SIZE);
break;
}
case "paint": {
graphics.set_color(tile.color);
draw_tile(start_x + visual_x, start_y + visual_y, scale);
break;
}
}
draw_tile(tile, x * scale + start_x, y * scale + start_y, scale);
});
entity.for_each((entity, id) => {
if (entity.box !== box) return;
graphics.set_color(entity.color);
const [visual_x, visual_y] = project_pos(entity.x, entity.y, scale);
draw_tile(start_x + visual_x, start_y + visual_y, scale);
draw_rect(start_x + visual_x, start_y + visual_y, scale);
});
}
function draw_tile (tile, x, y, scale) {
switch (tile.type) {
case "box": {
// recursively draw box contents.
draw_world(tile.box, x, y, scale / world.BOX_SIZE);
break;
}
case "paint": {
graphics.set_color(tile.color);
draw_rect(x, y, scale);
break;
}
}
}
function project_pos (x, y, scale) {
return [x, y].map(a => a * scale);
}