From 745e7ece53942d6e66a5635a5c9e5f09ece1975e Mon Sep 17 00:00:00 2001
From: spatialfree <mail@ethanmerchant.com>
Date: Sat, 9 Nov 2024 19:52:32 -0500
Subject: [PATCH] just color shader/mat

---
 Assets/justcolor.hlsl | 33 +++++++++++++++++++++++++++++++++
 src/Arts.cs           |  1 +
 2 files changed, 34 insertions(+)
 create mode 100644 Assets/justcolor.hlsl

diff --git a/Assets/justcolor.hlsl b/Assets/justcolor.hlsl
new file mode 100644
index 0000000..e19cacb
--- /dev/null
+++ b/Assets/justcolor.hlsl
@@ -0,0 +1,33 @@
+#include "stereokit.hlsli"
+
+//--name = dofdev/justcolor
+//--color:color = 1, 1, 1, 1
+
+float4       color;
+
+struct vsIn {
+	float4 pos  : SV_Position;
+	float3 norm : NORMAL0;
+};
+struct psIn {
+	float4 pos   : SV_POSITION;
+	float4 color : COLOR0;
+	uint view_id : SV_RenderTargetArrayIndex;
+};
+
+psIn vs(vsIn input, uint id : SV_InstanceID) {
+	psIn o;
+	o.view_id = id % sk_view_count;
+	id        = id / sk_view_count;
+
+	float3 world = mul(float4(input.pos.xyz, 1), sk_inst[id].world).xyz;
+	o.pos        = mul(float4(world,         1), sk_viewproj[o.view_id]);
+
+	float3 normal = normalize(mul(input.norm, (float3x3)sk_inst[id].world));
+
+	o.color = color * sk_inst[id].color;
+	return o;
+}
+float4 ps(psIn input) : SV_TARGET {
+	return input.color;
+}
\ No newline at end of file
diff --git a/src/Arts.cs b/src/Arts.cs
index 9ecff14..05ced94 100644
--- a/src/Arts.cs
+++ b/src/Arts.cs
@@ -10,6 +10,7 @@ static class Arts
     static Material mat_mono = new Material("mono.hlsl");
     static Material mat_unlit = new Material("unlit.hlsl");
     static Material mat_backbox = new Material("backbox.hlsl");
+    static Material mat_justcolor = new Material("justcolor.hlsl");
 
     static Quat food_ori = Quat.Identity;