1 files changed, 64 insertions, 0 deletions
diff --git a/engine-ocean/Game/Environment/skyboxenvironment.cpp b/engine-ocean/Game/Environment/skyboxenvironment.cpp
new file mode 100644
index 0000000..f0ad41f
--- /dev/null
+++ b/engine-ocean/Game/Environment/skyboxenvironment.cpp
@@ -0,0 +1,64 @@
+#include "skyboxenvironment.h"
+#include "Graphics/global.h"
+
+
+SkyboxEnvironment::SkyboxEnvironment(std::shared_ptr<Camera> camera):
+    m_camera(camera),
+    m_rotation_mat(std::make_shared<ModelTransform>())
+{
+    initializeVAO();
+}
+
+void SkyboxEnvironment::initializeVAO(){
+    skybox_tex = Global::graphics.loadCubeMap(m_skyboxTextureFiles);
+
+    glGenVertexArrays(1, &VAO);
+    glGenBuffers(1, &VBO);
+    glBindVertexArray(VAO);
+
+    glBindBuffer(GL_ARRAY_BUFFER, VBO);
+    glBufferData(GL_ARRAY_BUFFER, m_vertices.size()*sizeof(float), m_vertices.data(), GL_STATIC_DRAW);
+
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3*sizeof(float), (void*)0);
+
+    // unbind
+    glEnableVertexAttribArray(0);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+
+void SkyboxEnvironment::draw(){
+    glDepthFunc(GL_LEQUAL);
+    glDisable(GL_CULL_FACE);
+
+    Global::graphics.bindShader("skybox");
+    //Global::graphics.setCameraData(m_camera);
+
+    // activate texture
+    glActiveTexture(GL_TEXTURE3);
+    glBindTexture(GL_TEXTURE_CUBE_MAP, skybox_tex);
+
+    // manually set view and projection, for non-translating view
+    glm::mat4 projection = m_camera->getProjection();
+    glm::mat4 view = m_camera->getView();
+    view[3] = glm::vec4(0.f);
+
+    glUniformMatrix4fv(glGetUniformLocation(Global::graphics.getShaderID("skybox"), "view"), 1, GL_FALSE, glm::value_ptr(view[0]));
+    glUniformMatrix4fv(glGetUniformLocation(Global::graphics.getShaderID("skybox"), "projection"), 1, GL_FALSE, glm::value_ptr(projection[0]));
+
+    // apply rotation matrix
+    glUniformMatrix4fv(glGetUniformLocation(Global::graphics.getShaderID("skybox"), "rotation"), 1, GL_FALSE, glm::value_ptr(m_rotation_mat->getRotation()[0]));
+
+    //Global::graphics.setGlobalData(glm::vec3(.5f));
+    glBindVertexArray(VAO);
+    glDrawArrays(GL_TRIANGLES, 0, m_vertices.size());
+
+    glDepthFunc(GL_LESS);
+}
+
+void SkyboxEnvironment::update(double deltaTime){
+    m_rotation += ROTATE_SPEED * deltaTime;
+    m_rotation_mat->rotate(glm::radians(ROTATE_SPEED), glm::vec3(0.f, 1.f, 0.f));
+
+
+}