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Kukatz 3D
0.1
Török Attila szakdolgozata
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00001 /* 00002 * followercamera.cpp - Kukatz 3D 00003 * Copyright (c) 2011 - TÖRÖK Attila (torokati44@gmail.com) 00004 * 00005 * This software is provided 'as-is', without any express or implied 00006 * warranty. In no event will the authors be held liable for any damages 00007 * arising from the use of this software. 00008 * 00009 * Permission is granted to anyone to use this software for any purpose, 00010 * including commercial applications, and to alter it and redistribute it 00011 * freely, subject to the following restrictions: 00012 * 00013 * 1. The origin of this software must not be misrepresented; you must not 00014 * claim that you wrote the original software. If you use this software 00015 * in a product, an acknowledgment in the product documentation would be 00016 * appreciated but is not required. 00017 * 00018 * 2. Altered source versions must be plainly marked as such, and must not be 00019 * misrepresented as being the original software. 00020 * 00021 * 3. This notice may not be removed or altered from any source 00022 * distribution. 00023 */ 00024 00025 #include "followercamera.hpp" 00026 00027 #include <iostream> 00028 00029 #include "misc.hpp" 00030 00031 FollowerCamera::FollowerCamera(Kukac* k_ptr): 00032 Camera(k_ptr->head->object->get_position() + 00033 itof3(k_ptr->upward * 2 - k_ptr->direction), 00034 k_ptr->head->object->get_position() + 00035 itof3(k_ptr->direction * 2), 00036 itof3(k_ptr->upward), 00037 sf::Vector2i(0, 0), sf::Vector2i(0, 0)), 00038 kukac_ptr(k_ptr), distance(2) 00039 { 00040 update_object(); 00041 } 00042 00043 void FollowerCamera::update(float dt) 00044 { 00045 fov = 60.0f + kukac_ptr->get_speed() * 5.0f; 00046 00047 float delta_dist = dt * kukac_ptr->get_speed(); 00048 00049 sf::Vector3f target_pos = kukac_ptr->head->object->get_position() + 00050 itof3(kukac_ptr->upward * 2 - kukac_ptr->direction); 00051 00052 sf::Vector3f target_center = kukac_ptr->head->object->get_position() + 00053 itof3(kukac_ptr->direction * 2); 00054 00055 pos += (target_pos - pos) * delta_dist; 00056 center += (target_center - center) * delta_dist; 00057 up += (itof3(kukac_ptr->upward) - up) * delta_dist; 00058 00059 normalize(up); 00060 //clamp_to_distance(kukac_ptr->head->object->get_position(), distance, pos); 00061 00062 update_object(); 00063 } 00064 00065 FollowerCamera::~FollowerCamera() 00066 { 00067 00068 }