Function Matrix4_Perspective

engine/script/src/script_vmath.cpp:1573–1586

creates a perspective projection matrix * Creates a perspective projection matrix. * This is useful to construct a projection matrix for a camera or rendering in general. * * @name vmath.matrix4_perspective * @param fov [type:number] angle of the full vertical field of view in radians * @param aspect [type:number] aspect ratio * @param near [type:number] coordina

     * ```
     */
    static int Matrix4_Perspective(lua_State* L)
    {
        float fov = (float) luaL_checknumber(L, 1);
        float aspect = (float) luaL_checknumber(L, 2);
        float near_z = (float) luaL_checknumber(L, 3);
        float far_z = (float) luaL_checknumber(L, 4);
        if(near_z == 0.0f)
        {
            luaL_where(L, 1);
            dmLogWarning("%sperspective projection invalid, znear = 0", lua_tostring(L,-1));
        }
        PushMatrix4(L, Matrix4::perspective(fov, aspect, near_z, far_z));
        return 1;
    }

    /*# creates a matrix from a quaternion
     * The resulting matrix describes the same rotation as the quaternion, but does not have any translation (also like the quaternion).