From 3a975db66a3711f34e8b64bb27a8eaca79fdeca9 Mon Sep 17 00:00:00 2001
From: Alex Pickering <alex@cogarr.net>
Date: Sun, 1 Feb 2026 13:14:32 -0600
Subject: Initial commit

---
 src/shaders/world.vert.back | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/shaders/world.vert.back

(limited to 'src/shaders/world.vert.back')

diff --git a/src/shaders/world.vert.back b/src/shaders/world.vert.back
new file mode 100644
index 0000000..42276fe
--- /dev/null
+++ b/src/shaders/world.vert.back
@@ -0,0 +1,26 @@
+precision highp float;
+attribute vec3 world; // position
+attribute vec2 texuv;
+attribute float r; // for round objects, 0 for non-round
+varying vec2 textureuv;
+varying float radius;
+varying mat3 light1;
+uniform vec4 color;
+varying vec4 v_color;
+uniform float world_x;
+uniform float world_y;
+uniform mat4 MV;
+uniform mat4 P;
+void main() {
+	v_color = vec4(world.xyz,1.);
+	vec2 vxy = vec2(world.x - world_x, world.y - world_y);
+	float z_scale = 0.5;
+	float xoff = clamp(world.z * vxy.x * z_scale, -32., 32.);
+	float yoff = clamp(world.z * vxy.y * z_scale, -32., 32.);
+	textureuv=texuv;
+	//radius = r;
+	// if z > 0 then
+	// xoff = ceil(xoff, 0)
+	// add to the z coord so we don't intersect with the ui
+	gl_Position = P * MV * vec4(vxy.x + xoff, vxy.y + yoff, -world.z -1., 1.0);
+}
-- 
cgit v1.2.3-70-g09d2