inochi2d source code

1 /*
2     Copyright © 2020, Inochi2D Project
3     Distributed under the 2-Clause BSD License, see LICENSE file.
4     
5     Authors: Luna Nielsen
6 */
7 module inochi2d;
8 //public import inochi2d.inochi2d;
9 public import inochi2d.math;
10 public import inochi2d.phys;
11 public import inochi2d.fmt;
12 public import inochi2d.core;
13 public import inochi2d.ver;
14 
15 private double currentTime_ = 0;
16 private double lastTime_ = 0;
17 private double deltaTime_ = 0;
18 private double function() tfunc_;
19 
20 /**
21     Initializes Inochi2D
22     Run this after OpenGL context has been set current
23 */
24 void inInit(double function() timeFunc) {
25     initRenderer();
26     tfunc_ = timeFunc;
27 }
28 
29 void inSetTimingFunc(double function() timeFunc) {
30     tfunc_ = timeFunc;
31 }
32 
33 /**
34     Run this at the start of your render/game loop
35 */
36 void inUpdate() {
37     currentTime_ = tfunc_();
38     deltaTime_ = currentTime_-lastTime_;
39     lastTime_ = currentTime_;
40 }
41 
42 /**
43     Gets the time difference between the last frame and the current frame
44 */
45 double deltaTime() {
46     return deltaTime_;
47 }
48 
49 /**
50     Gets the last frame's time step
51 */
52 double lastTime() {
53     return lastTime_;
54 }
55 
56 /**
57     Gets the current time step
58 */
59 double currentTime() {
60     return currentTime_;
61 }