mirror of
https://github.com/ninjamuffin99/Funkin.git
synced 2024-12-13 00:45:13 +00:00
85 lines
1.7 KiB
Haxe
85 lines
1.7 KiB
Haxe
package funkin.graphics.rendering;
|
|
|
|
import flixel.FlxStrip;
|
|
import flixel.util.FlxColor;
|
|
|
|
/**
|
|
* Yoinked from AustinEast, thanks hopefully u dont mind me using some of ur good code
|
|
* instead of my dumbass ugly code bro
|
|
*/
|
|
class MeshRender extends FlxStrip
|
|
{
|
|
public var vertex_count(default, null):Int = 0;
|
|
public var index_count(default, null):Int = 0;
|
|
|
|
var tri_offset:Int = 0;
|
|
|
|
public function new(x, y, ?col:FlxColor = FlxColor.WHITE)
|
|
{
|
|
super(x, y);
|
|
makeGraphic(1, 1, col);
|
|
}
|
|
|
|
public inline function start()
|
|
{
|
|
tri_offset = vertex_count;
|
|
}
|
|
|
|
public inline function add_vertex(x:Float, y:Float, u:Float = 0, v:Float = 0)
|
|
{
|
|
final pos = vertex_count << 1;
|
|
|
|
vertices[pos] = x;
|
|
vertices[pos + 1] = y;
|
|
|
|
uvtData[pos] = u;
|
|
uvtData[pos + 1] = v;
|
|
|
|
vertex_count++;
|
|
}
|
|
|
|
public function add_tri(a:Int, b:Int, c:Int)
|
|
{
|
|
indices[index_count] = a + tri_offset;
|
|
indices[index_count + 1] = b + tri_offset;
|
|
indices[index_count + 2] = c + tri_offset;
|
|
|
|
index_count += 3;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* top left - a
|
|
*
|
|
* top right - b
|
|
*
|
|
* bottom left - c
|
|
*
|
|
* bottom right - d
|
|
*/
|
|
public function add_quad(ax:Float, ay:Float, bx:Float, by:Float, cx:Float, cy:Float, dx:Float, dy:Float, au:Float = 0, av:Float = 0, bu:Float = 0,
|
|
bv:Float = 0, cu:Float = 0, cv:Float = 0, du:Float = 0, dv:Float = 0)
|
|
{
|
|
start();
|
|
// top left
|
|
add_vertex(bx, by, bu, bv);
|
|
// top right
|
|
add_vertex(ax, ay, au, av);
|
|
// bottom left
|
|
add_vertex(cx, cy, cu, cv);
|
|
// bottom right
|
|
add_vertex(dx, dy, du, dv);
|
|
|
|
add_tri(0, 1, 2);
|
|
add_tri(0, 2, 3);
|
|
}
|
|
|
|
public function clear()
|
|
{
|
|
vertices.length = 0;
|
|
indices.length = 0;
|
|
vertex_count = 0;
|
|
index_count = 0;
|
|
}
|
|
}
|