From 0eee41e5ce47160799406476d30279eded0a7318 Mon Sep 17 00:00:00 2001
From: gbrochar <gaetanbrochard@protonmail.com>
Date: Mon, 23 Nov 2020 20:40:51 +0100
Subject: [PATCH] phong

---
 src/client/main.ts | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/src/client/main.ts b/src/client/main.ts
index 84aac98..5d4134b 100644
--- a/src/client/main.ts
+++ b/src/client/main.ts
@@ -54,11 +54,33 @@ function main() {
 	varying lowp vec4 vNormal;
 	varying lowp vec3 vPosition;
 
-	void main() {
-		vec3 n = normalize(vec3(-5., 10., -5.));
-		float diffuse = max(dot(vNormal.xyz, n), 0.);
+	vec3 extremize(vec3 v, float n) {
+		if (v.x > n / 2.)
+			v.x = n;
+		else
+			v.x = 0.;
+		if (v.y > n / 2.)
+			v.y = n;
+		else
+			v.y = 0.;
+		if (v.z > n / 2.)
+			v.z = n;
+		else
+			v.z = 0.;
+		return v;
+	}
 
-		gl_FragColor = vec4((vec3(1.) * diffuse * 0.8) + (vec3(1.) * 0.2), 1.0);
+	void main() {
+		vec3 n = normalize(vec3(-500., 1000., 500.) - vPosition);
+		float diffuse = max(dot(vNormal.xyz, n), 0.);
+		float specular = pow(
+			max(dot(
+				reflect(n, vNormal.xyz),
+				normalize(vec3(0., 0., -50.) - vPosition)),
+			0.), 10.);
+		vec3 tmp = extremize(mod(vPosition.xyz + vec3(100.), vec3(3.)), 3.);
+		float texture = (tmp.x + tmp.y + tmp.z) / 9.;
+		gl_FragColor = vec4((vec3(1.) * diffuse * 0.8) + (texture * 0.2) + (specular * vec3(1.)), 1.0);
 	}`;
 
 	/* eslint-enable */
@@ -312,6 +334,12 @@ function drawScene(gl: any,
 	// the center of the scene.
 	const viewMatrix = mat4.create();
 
+
+	mat4.translate(
+		viewMatrix,
+		viewMatrix,
+		[Math.cos(squareRotation) * 5, Math.sin(squareRotation) * 5, 0]);
+
 	mat4.translate(
 		viewMatrix,
 		viewMatrix,