ExperimentalApp() : GLFWApp(940, 720, "GlCamera Sandbox App")
{
int width, height;
glfwGetWindowSize(window, &width, &height);
glViewport(0, 0, width, height);
cameraController.set_camera(&camera);
camera.look_at({0, 8, 24}, {0, 0, 0});
cameraZ = camera.pose.position.z;
simpleShader.reset(new GlShader(read_file_text("assets/shaders/simple_vert.glsl"), read_file_text("assets/shaders/simple_frag.glsl")));
{
lights.resize(2);
lights[0].color = float3(249.f / 255.f, 228.f / 255.f, 157.f / 255.f);
lights[0].pose.position = float3(25, 15, 0);
lights[1].color = float3(255.f / 255.f, 242.f / 255.f, 254.f / 255.f);
lights[1].pose.position = float3(-25, 15, 0);
}
{
cameraPositions.resize(2);
cameraPositions[0] = Renderable(make_frustum());
cameraPositions[0].pose.position = float3(0, 8, +24);
cameraPositions[0].mesh.set_non_indexed(GL_LINES);
cameraPositions[1] = Renderable(make_frustum());
cameraPositions[1].pose.position = float3(0, 8, -24);
cameraPositions[1].mesh.set_non_indexed(GL_LINES);
}
{
proceduralModels.resize(4);
proceduralModels[0] = Renderable(make_sphere(1.0));
proceduralModels[0].pose.position = float3(0, 2, +8);
proceduralModels[1] = Renderable(make_cube());
proceduralModels[1].pose.position = float3(0, 2, -8);
proceduralModels[2] = Renderable(make_icosahedron());
proceduralModels[2].pose.position = float3(8, 2, 0);
proceduralModels[3] = Renderable(make_octohedron());
proceduralModels[3].pose.position = float3(-8, 2, 0);
}
start = look_at_pose(float3(0, 8, +24), float3(-8, 2, 0));
end = look_at_pose(float3(0, 8, -24), float3(-8, 2, 0));
grid = RenderableGrid(1, 64, 64);
gl_check_error(__FILE__, __LINE__);
}
static void reshape(int w, int h)
{
glViewport(0, 0, (GLsizei)w, (GLsizei)h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
make_frustum(60, w / (GLfloat)h, 1.0, 100.0);
glMatrixMode(GL_MODELVIEW);
}
// Equivalent to gluPerspective
const float4x4 make_perspective(float fov, float aspect_ratio, float near, float far)
{
float ymax = near * tanf(fov * M_PI / 360.0f);
float xmax = ymax * aspect_ratio;
return make_frustum(-xmax, xmax, -ymax, ymax, near, far);
}
