From c62e2cd49649109f0135e56ee8add0dab2254d01 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sun, 20 Aug 2017 20:21:29 +0500
Subject: 2017-08-20

---
 src/RendererSky.cpp | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 src/RendererSky.cpp

(limited to 'src/RendererSky.cpp')

diff --git a/src/RendererSky.cpp b/src/RendererSky.cpp
new file mode 100644
index 0000000..e0e367b
--- /dev/null
+++ b/src/RendererSky.cpp
@@ -0,0 +1,140 @@
+#include "RendererSky.hpp"
+
+const GLfloat vertices[] = {
+    //Z+ edge
+    -0.5f, -0.5f, 0.5f,
+    -0.5f, 0.5f, 0.5f,    
+    0.5f, -0.5f, 0.5f,
+    0.5f, -0.5f, 0.5f,
+    -0.5f, 0.5f, 0.5f,    
+    0.5f, 0.5f, 0.5f,
+
+    //Z- edge
+    -0.5f, 0.5f, -0.5f,
+    -0.5f, -0.5f, -0.5f,    
+    0.5f, -0.5f, -0.5f,
+    -0.5f, 0.5f, -0.5f,
+    0.5f, -0.5f, -0.5f,    
+    0.5f, 0.5f, -0.5f,
+
+    //X+ edge    
+    -0.5f, -0.5f, 0.5f,
+    -0.5f, -0.5f, -0.5f,
+    -0.5f, 0.5f, -0.5f,    
+    -0.5f, -0.5f, 0.5f,
+    -0.5f, 0.5f, -0.5f,
+    -0.5f, 0.5f, 0.5f,
+
+    //X- edge    
+    0.5f, 0.5f, -0.5f,
+    0.5f, -0.5f, 0.5f,
+    0.5f, 0.5f, 0.5f,    
+    0.5f, -0.5f, -0.5f,
+    0.5f, -0.5f, 0.5f,
+    0.5f, 0.5f, -0.5f,
+
+    //Y+ edge    
+    -0.5f, 0.5f, 0.5f,
+    0.5f, 0.5f, -0.5f,
+    0.5f, 0.5f, 0.5f,    
+    -0.5f, 0.5f, -0.5f,
+    0.5f, 0.5f, -0.5f,
+    -0.5f, 0.5f, 0.5f,
+
+    //Y- edge    
+    0.5f, -0.5f, -0.5f,
+    -0.5f, -0.5f, 0.5f,
+    0.5f, -0.5f, 0.5f,    
+    0.5f, -0.5f, -0.5f,
+    -0.5f, -0.5f, -0.5f,
+    -0.5f, -0.5f, 0.5f,
+};
+
+const GLfloat uv_coords[] = {
+    //Z+
+    0.0f, 1.0f,
+    0.0f, 0.0f,
+    1.0f, 0.0f,
+    0.0f, 1.0f,
+    1.0f, 0.0f,
+    1.0f, 1.0f,
+
+    //Z-
+    1.0f, 0.0f,
+    1.0f, 1.0f,
+    0.0f, 0.0f,
+    0.0f, 0.0f,
+    1.0f, 1.0f,
+    0.0f, 1.0f,
+
+    //X+
+    0.0f, 0.0f,
+    1.0f, 0.0f,
+    0.0f, 1.0f,
+    0.0f, 1.0f,
+    1.0f, 0.0f,
+    1.0f, 1.0f,
+
+    //X-
+    0.0f, 0.0f,
+    1.0f, 1.0f,
+    0.0f, 1.0f,
+    0.0f, 0.0f,
+    1.0f, 0.0f,
+    1.0f, 1.0f,
+
+    //Y+
+    0.0f, 0.0f,
+    1.0f, 1.0f,
+    0.0f, 1.0f,
+    0.0f, 0.0f,
+    1.0f, 0.0f,
+    1.0f, 1.0f,
+
+    //Y-
+    1.0f, 0.0f,
+    0.0f, 1.0f,
+    0.0f, 0.0f,
+    1.0f, 1.0f,
+    0.0f, 1.0f,
+    1.0f, 0.0f,
+};
+
+RendererSky::RendererSky() {
+    glGenBuffers(1, &VboVert);
+    glBindBuffer(GL_ARRAY_BUFFER, VboVert);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
+
+    glGenBuffers(1, &VboUv);
+    glBindBuffer(GL_ARRAY_BUFFER, VboUv);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(uv_coords), uv_coords, GL_STATIC_DRAW);
+    glGenVertexArrays(1, &Vao);
+
+    glBindVertexArray(Vao);
+    {
+        glBindBuffer(GL_ARRAY_BUFFER, VboVert);
+        glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), (GLvoid*)0);
+        glEnableVertexAttribArray(0);
+
+        glBindBuffer(GL_ARRAY_BUFFER, VboUv);
+        glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), (GLvoid*)0);
+        glEnableVertexAttribArray(1);
+    }
+    glBindVertexArray(0);
+    glCheckError();
+}
+
+RendererSky::~RendererSky()
+{
+    glDeleteBuffers(1, &VboVert);
+    glDeleteBuffers(1, &VboUv);
+    glDeleteVertexArrays(1, &Vao);
+    //glCheckError();
+}
+
+void RendererSky::Render(RenderState &renderState)
+{
+    renderState.SetActiveVao(Vao);
+    glDrawArrays(GL_TRIANGLES, 0, 36);
+    glCheckError();
+}
-- 
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