3D game

2026-03-12 17:09:25 -03:00
parent 244f0eb741
commit d18942196b
21 changed files with 422 additions and 581 deletions
@@ -0,0 +1,76 @@
+import { flush_batch, get_current_texture, push_vertex, set_current_texture } from "./core.ts";
+import { Texture } from "./types.ts";
+
+export function push_cube(
+	texture: Texture,
+	x: number,
+	y: number,
+	z: number,
+	w: number,
+	h: number,
+	d: number,
+	sx: number,
+	sy: number,
+	sw: number,
+	sh: number,
+	r = 1,
+	g = 1,
+	b = 1,
+	a = 1,
+) {
+	if (get_current_texture() !== texture.tex) {
+		flush_batch();
+		set_current_texture(texture.tex);
+	}
+
+	const x2 = x + w;
+	const y2 = y + h;
+	const z2 = z + d;
+
+	const u0 = sx / texture.width;
+	const v0 = sy / texture.height;
+	const u1 = (sx + sw) / texture.width;
+	const v1 = (sy + sh) / texture.height;
+
+	push_vertex(x, y, z2, u0, v0, r, g, b, a);
+	push_vertex(x2, y, z2, u1, v0, r, g, b, a);
+	push_vertex(x, y2, z2, u0, v1, r, g, b, a);
+	push_vertex(x2, y, z2, u1, v0, r, g, b, a);
+	push_vertex(x2, y2, z2, u1, v1, r, g, b, a);
+	push_vertex(x, y2, z2, u0, v1, r, g, b, a);
+
+	push_vertex(x2, y, z, u0, v0, r, g, b, a);
+	push_vertex(x, y, z, u1, v0, r, g, b, a);
+	push_vertex(x2, y2, z, u0, v1, r, g, b, a);
+	push_vertex(x, y, z, u1, v0, r, g, b, a);
+	push_vertex(x, y2, z, u1, v1, r, g, b, a);
+	push_vertex(x2, y2, z, u0, v1, r, g, b, a);
+
+	push_vertex(x, y, z, u0, v0, r, g, b, a);
+	push_vertex(x, y, z2, u1, v0, r, g, b, a);
+	push_vertex(x, y2, z, u0, v1, r, g, b, a);
+	push_vertex(x, y, z2, u1, v0, r, g, b, a);
+	push_vertex(x, y2, z2, u1, v1, r, g, b, a);
+	push_vertex(x, y2, z, u0, v1, r, g, b, a);
+
+	push_vertex(x2, y, z2, u0, v0, r, g, b, a);
+	push_vertex(x2, y, z, u1, v0, r, g, b, a);
+	push_vertex(x2, y2, z2, u0, v1, r, g, b, a);
+	push_vertex(x2, y, z, u1, v0, r, g, b, a);
+	push_vertex(x2, y2, z, u1, v1, r, g, b, a);
+	push_vertex(x2, y2, z2, u0, v1, r, g, b, a);
+
+	push_vertex(x, y2, z2, u0, v0, r, g, b, a);
+	push_vertex(x2, y2, z2, u1, v0, r, g, b, a);
+	push_vertex(x, y2, z, u0, v1, r, g, b, a);
+	push_vertex(x2, y2, z2, u1, v0, r, g, b, a);
+	push_vertex(x2, y2, z, u1, v1, r, g, b, a);
+	push_vertex(x, y2, z, u0, v1, r, g, b, a);
+
+	push_vertex(x, y, z, u0, v0, r, g, b, a);
+	push_vertex(x2, y, z, u1, v0, r, g, b, a);
+	push_vertex(x, y, z2, u0, v1, r, g, b, a);
+	push_vertex(x2, y, z, u1, v0, r, g, b, a);
+	push_vertex(x2, y, z2, u1, v1, r, g, b, a);
+	push_vertex(x, y, z2, u0, v1, r, g, b, a);
+}