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Interpolate fade amount

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This makes the fadeouts and fadeins (screenwipes) much more buttery
smooth.
This commit is contained in:
Misa 2020-04-28 18:10:40 -07:00 committed by Ethan Lee
parent 8fde6f28a3
commit e897543383
2 changed files with 6 additions and 2 deletions
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7
desktop_version/src/Graphics.cpp
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@ -90,6 +90,7 @@ void Graphics::init()
fadebars.resize(15);
fadeamount = 0;
oldfadeamount = 0;
fademode = 0;
// initialize everything else to zero
@ -1074,6 +1075,7 @@ void Graphics::createtextbox( std::string t, int xp, int yp, int r/*= 255*/, int
void Graphics::drawfade()
{
int usethisamount = lerp(oldfadeamount, fadeamount);
if ((fademode == 1)||(fademode == 4))
{
FillRect(backBuffer, 0, 0, backBuffer->w, backBuffer->h, 0x000000);
@ -1082,14 +1084,14 @@ void Graphics::drawfade()
{
for (int i = 0; i < 15; i++)
{
FillRect(backBuffer, fadebars[i], i * 16, fadeamount, 16, 0x000000 );
FillRect(backBuffer, fadebars[i], i * 16, usethisamount, 16, 0x000000 );
}
}
else if(fademode==5 )
{
for (int i = 0; i < 15; i++)
{
FillRect(backBuffer, fadebars[i]-fadeamount, i * 16, 500, 16, 0x000000 );
FillRect(backBuffer, fadebars[i]-usethisamount, i * 16, 500, 16, 0x000000 );
}
}
@ -1097,6 +1099,7 @@ void Graphics::drawfade()
void Graphics::processfade()
{
oldfadeamount = fadeamount;
if (fademode > 1)
{
if (fademode == 2)

1
desktop_version/src/Graphics.h
View file

@ -264,6 +264,7 @@ public:
int fademode;
int fadeamount;
int oldfadeamount;
std::vector <int> fadebars;
bool trinketcolset;