From 29059f552223d70bdab287b0d121567cec0ed6c7 Mon Sep 17 00:00:00 2001
From: mattkae <mattkae@protonmail.com>
Date: Wed, 22 Jun 2022 20:32:28 -0400
Subject: Update of resume

---
 themes/Renderer3d.cpp | 18 +++++++++++++++---
 themes/Renderer3d.h   |  2 ++
 2 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'themes')

diff --git a/themes/Renderer3d.cpp b/themes/Renderer3d.cpp
index a7779e2..300a73b 100644
--- a/themes/Renderer3d.cpp
+++ b/themes/Renderer3d.cpp
@@ -11,6 +11,7 @@
 const char* vertexShader = 
 "attribute vec4 position; \n"
 "attribute vec4 color; \n"
+"attribute vec4 normal \n"
 "uniform mat4 projection; \n"
 "uniform mat4 view; \n"
 "uniform mat4 model; \n"
@@ -47,6 +48,7 @@ void Renderer3D::load(WebglContext* inContext) {
 	useShader(shader);
 	attributes.position = getShaderAttribute(shader, "position");
 	attributes.color = getShaderAttribute(shader, "color");
+	attributes.normal = getShaderAttribute(shader, "normal");
 	uniforms.projection = getShaderUniform(shader, "projection");
 	uniforms.view = getShaderUniform(shader, "view");
 	uniforms.model = getShaderUniform(shader, "model");
@@ -177,9 +179,19 @@ Mesh3d Mesh3d_fromObj(Renderer3D* renderer, const char* content, const i32 len)
 					lt.v.indices[lt.idx] = atoi(buffer);
 					lt.idx++;
 				}
-				result.indices.add(lt.v.indices[0] - 1);
-				result.indices.add(lt.v.indices[1] - 1);
-				result.indices.add(lt.v.indices[2] - 1);
+				
+				auto v1idx = lt.v.indices[0] - 1;
+				auto v2idx = lt.v.indices[1] - 1;
+				auto v3idx = lt.v.indices[2] - 1;
+
+				result.indices.add(v1idx);
+				result.indices.add(v2idx);
+				result.indices.add(v3idx);
+
+				auto v1 = result.vertices[v1idx];
+				auto v2 = result.vertices[v2idx];
+				auto v3 = result.vertices[v3idx];
+				auto normal = (v1 - v2).cross(v1 - v3);
 				break;
 			case LineType_Comment:
 				i = readPastLine(i, content);
diff --git a/themes/Renderer3d.h b/themes/Renderer3d.h
index 71fc8fe..7e89c93 100644
--- a/themes/Renderer3d.h
+++ b/themes/Renderer3d.h
@@ -10,6 +10,7 @@ struct Renderer3D;
 struct Vertex3d {
     Vector4 position;
     Vector4 color;
+	Vector4 normal;
 };
 
 struct Mesh3d {
@@ -36,6 +37,7 @@ struct Renderer3D {
     struct {
 		i32 position;
 		i32 color;
+		i32 normal;
 	} attributes;
 
 	struct {
-- 
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