From 693c4a8be53010d451826fb3eca83907045e0847 Mon Sep 17 00:00:00 2001
From: "disus.dev" <disus.dev@gmail.com>
Date: Tue, 3 Jan 2023 00:16:39 +0100
Subject: [PATCH] Fix InfinitePlane shaders after changes in gridColor function

---
 data/shaders/chapter07/VK03_InfinitePlane.frag | 3 ++-
 data/shaders/chapter07/VK03_InfinitePlane.vert | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/data/shaders/chapter07/VK03_InfinitePlane.frag b/data/shaders/chapter07/VK03_InfinitePlane.frag
index ea56ca0..55fce2b 100644
--- a/data/shaders/chapter07/VK03_InfinitePlane.frag
+++ b/data/shaders/chapter07/VK03_InfinitePlane.frag
@@ -5,9 +5,10 @@
 #include <data/shaders/chapter05/GridCalculation.h>
 
 layout (location=0) in vec2 uv;
+layout (location=1) in vec2 cameraPos;
 layout (location=0) out vec4 out_FragColor;
 
 void main()
 {
-	out_FragColor = gridColor(uv);
+	out_FragColor = gridColor(uv, cameraPos);
 }
diff --git a/data/shaders/chapter07/VK03_InfinitePlane.vert b/data/shaders/chapter07/VK03_InfinitePlane.vert
index 342ce3a..0c0b3bd 100644
--- a/data/shaders/chapter07/VK03_InfinitePlane.vert
+++ b/data/shaders/chapter07/VK03_InfinitePlane.vert
@@ -4,6 +4,7 @@
 #include <data/shaders/chapter05/GridParameters.h>
 
 layout (location=0) out vec2 uv;
+layout (location=1) out vec2 cameraPos;
 
 layout(binding = 0) uniform  UniformBuffer
 {
@@ -20,6 +21,12 @@ void main()
 	int idx = indices[gl_VertexIndex];
 	vec3 position = pos[idx] * gridSize;
 
+	mat4 iview = inverse(ubo.view);
+	cameraPos = vec2(iview[3][0], iview[3][2]);
+
+	position.x += cameraPos.x;
+	position.z += cameraPos.y;
+
 	gl_Position = MVP * vec4(position, 1.0);
 	uv = position.xz;
 }