From c937bdbfea8f522d14d7a41f24372bddf5bdafcc Mon Sep 17 00:00:00 2001 From: Sergeanur Date: Sun, 18 Jul 2021 00:03:57 +0300 Subject: render -> renderer (original name) --- src/renderer/WindModifiers.cpp | 52 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 src/renderer/WindModifiers.cpp (limited to 'src/renderer/WindModifiers.cpp') diff --git a/src/renderer/WindModifiers.cpp b/src/renderer/WindModifiers.cpp new file mode 100644 index 00000000..3bd6ac9c --- /dev/null +++ b/src/renderer/WindModifiers.cpp @@ -0,0 +1,52 @@ +#include "common.h" +#include "WindModifiers.h" +#include "Camera.h" +#include "General.h" + +#define MAX_HEIGHT_DIST 40.0f +#define MIN_FADE_DIST 20.0f +#define MAX_FADE_DIST 50.0f + +CWindModifiers Array[16]; +int32 CWindModifiers::Number; + +void +CWindModifiers::RegisterOne(CVector pos, int32 type = 1) +{ + if (CWindModifiers::Number < 16 && (pos - TheCamera.GetPosition()).Magnitude() < 100.0f) { + Array[Number].m_pos = pos; + Array[Number].m_type = type; + Number++; + } +} + +bool +CWindModifiers::FindWindModifier(CVector pos, float *x, float *y) +{ + bool bWasWindModifierFound = false; + CVector2D dir; + for (int i = 0; i < Number; i++) { + if (Array[i].m_type == 1) { + float zDist = Abs(15.0f + pos.z - Array[i].m_pos.z); + + if (zDist < MAX_HEIGHT_DIST) { + float dist = (pos - Array[i].m_pos).Magnitude(); + if (dist < MAX_FADE_DIST) { + float distFade = dist < MIN_FADE_DIST ? 1.0f : 1.0f - (dist - MIN_FADE_DIST) / (MAX_FADE_DIST - MIN_FADE_DIST); + float heightFade = 1.0f - zDist / MAX_HEIGHT_DIST; + float fade = distFade * heightFade * 0.5f; + dir = (pos - Array[i].m_pos) * fade / dist; + bWasWindModifierFound = true; + } + } + } + } + + if (bWasWindModifierFound) { + float directionMult = ((CGeneral::GetRandomNumber() & 0x1F) - 16) * 0.0035f + 1.0f; + *x += dir.x * directionMult; + *y += dir.y * directionMult; + } + + return bWasWindModifierFound; +} -- cgit v1.2.3