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#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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