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Améliore l'animation de rotation

This commit is contained in:
Mattéo Delabre 2016-04-09 17:37:12 +02:00
parent 8d4a003e97
commit c303814346
2 changed files with 13 additions and 5 deletions
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1
include/level.hpp
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@ -20,7 +20,6 @@ class Level : public State {
private:
sf::View camera;
float camera_angle;
float camera_angle_animate;
GravityDirection gravity_direction;
sf::String name;

17
src/level.cpp
View File

@ -3,6 +3,7 @@
#include "player.hpp"
#include "block.hpp"
#include "gravity_block.hpp"
#include <iostream>
#include <arpa/inet.h>
#include <cstring>
#include <queue>
@ -29,8 +30,7 @@ std::map<unsigned int, std::function<ObjectPtr(std::ifstream&)>> object_type_map
{GravityBlock::TYPE_ID, GravityBlock::load}
};
Level::Level(Manager& manager) : State(manager),
camera_angle(0.f), camera_angle_animate(0.f),
Level::Level(Manager& manager) : State(manager), camera_angle(180.f),
gravity_direction(GravityDirection::SOUTH) {}
Level::~Level() {}
@ -153,8 +153,17 @@ void Level::draw() {
sf::RenderWindow& window = getWindow();
// animation de la rotation de la caméra
float change = (180 + (float) gravity_direction * 90 - camera_angle) * Constants::PHYSICS_TIME.asSeconds();
camera.rotate(change);
float goal = std::fmod((float) gravity_direction * 90, 360);
float diff = goal - camera_angle;
float speed = diff * Constants::PHYSICS_TIME.asSeconds() * 5;
if (std::abs(diff) < .05f) {
camera_angle = goal;
} else {
camera_angle += speed;
}
camera.setRotation(camera_angle + 180);
window.setView(camera);
// efface la scène précédente et dessine la couche de fond