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Make intensity FPS-independent

This commit is contained in:
Ilia Demianenko 2023-10-03 21:31:22 -07:00
parent c05223f91c
commit 5e62a5d2e7
1 changed files with 11 additions and 11 deletions
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22
samples/fluid/src/main.c
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@ -582,6 +582,14 @@ void input_splat(float t)
{
bool applySplat = false;
float x, y, deltaX, deltaY;
static f64 lastFrameTime = 0;
if (lastFrameTime == 0)
{
lastFrameTime = startTime;
}
f64 now = oc_clock_time(OC_CLOCK_MONOTONIC);
float frameDuration = now - lastFrameTime;
lastFrameTime = now;
if (mouseInput.down && (mouseInput.deltaX || mouseInput.deltaY))
{
@ -589,13 +597,12 @@ void input_splat(float t)
applySplat = true;
x = mouseInput.x * scaling.x / frameWidth;
y = mouseInput.y * scaling.y / frameHeight;
deltaX = mouseInput.deltaX * scaling.x / frameWidth;
deltaY = mouseInput.deltaY * scaling.y / frameHeight;
deltaX = 1. / 60 / frameDuration * mouseInput.deltaX * scaling.x / frameWidth;
deltaY = 1. / 60 / frameDuration * mouseInput.deltaY * scaling.y / frameHeight;
mouseInput.deltaX = 0;
mouseInput.deltaY = 0;
}
f64 now = oc_clock_time(OC_CLOCK_MONOTONIC);
f64 timeSinceStart = now - startTime;
if (!mouseWasDown && timeSinceStart < 1)
{
@ -603,15 +610,8 @@ void input_splat(float t)
float totalDeltaX = 0.5;
x = 0.1 + totalDeltaX * timeSinceStart;
y = 0.5;
static f64 lastFrameTime = 0;
if (lastFrameTime == 0)
{
lastFrameTime = startTime;
}
deltaX = totalDeltaX * (now - lastFrameTime) / 3;
deltaX = totalDeltaX / 180;
deltaY = 0;
lastFrameTime = now;
}
//NOTE: apply force and dye