diff options
Diffstat (limited to 'src/interpolation.cpp')
| -rw-r--r-- | src/interpolation.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
| diff --git a/src/interpolation.cpp b/src/interpolation.cpp new file mode 100644 index 0000000..3c9bcf8 --- /dev/null +++ b/src/interpolation.cpp | |||
| @@ -0,0 +1,19 @@ | |||
| 1 | #include "interpolation.h" | ||
| 2 | |||
| 3 | void Interpolation::start(int length, double amount) { | ||
| 4 | start_ = progress_; | ||
| 5 | dest_ = amount; | ||
| 6 | length_ = length; | ||
| 7 | thus_ = 0; | ||
| 8 | } | ||
| 9 | |||
| 10 | void Interpolation::tick(double dt) { | ||
| 11 | if (progress_ != dest_) { | ||
| 12 | thus_ += dt; | ||
| 13 | if (thus_ >= length_) { | ||
| 14 | thus_ = length_; | ||
| 15 | } | ||
| 16 | |||
| 17 | progress_ = (dest_ - start_) / length_ * thus_ + start_; | ||
| 18 | } | ||
| 19 | } | ||
