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Ineased gyroscope event scale, so that it won't send two events too often

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pelya
2013-02-02 22:07:02 +02:00
parent 0ea01bface
commit 5088caf2e6
2 changed files with 20 additions and 16 deletions
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10
project/jni/sdl-1.2/src/video/android/SDL_androidinput.c
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@@ -871,11 +871,14 @@ JAVA_EXPORT_NAME(AccelerometerReader_nativeGyroscope) ( JNIEnv* env, jobject th
if( !SDL_CurrentVideoSurface )
return;
#endif
X *= 0.25f;
Y *= 0.25f;
Z *= 0.25f;
while ( X != 0.0f || Y != 0.0f || Z != 0.0f )
{
float dx = ( X >= 1.0f ? 1.0f : ( X <= -1.0f ? -1.0f : X ) );
float dy = ( Y >= 1.0f ? 1.0f : ( Y <= -1.0f ? -1.0f : Y ) );
float dz = ( Z >= 1.0f ? 1.0f : ( Z <= -1.0f ? -1.0f : Z ) );
float dx = ( X > 1.0f ? 1.0f : ( X < -1.0f ? -1.0f : X ) );
float dy = ( Y > 1.0f ? 1.0f : ( Y < -1.0f ? -1.0f : Y ) );
float dz = ( Z > 1.0f ? 1.0f : ( Z < -1.0f ? -1.0f : Z ) );
X -= dx;
Y -= dy;
@@ -884,6 +887,7 @@ JAVA_EXPORT_NAME(AccelerometerReader_nativeGyroscope) ( JNIEnv* env, jobject th
SDL_ANDROID_MainThreadPushJoystickAxis(JOY_ACCELGYRO, 2, NORMALIZE_FLOAT_32767(dx));
SDL_ANDROID_MainThreadPushJoystickAxis(JOY_ACCELGYRO, 3, NORMALIZE_FLOAT_32767(dy));
SDL_ANDROID_MainThreadPushJoystickAxis(JOY_ACCELGYRO, 4, NORMALIZE_FLOAT_32767(dz));
//if( fabs(dx) >= 1.0f || fabs(dy) >= 1.0f || fabs(dz) >= 1.0f ) __android_log_print(ANDROID_LOG_INFO, "libSDL", "nativeGyroscope(): sending several events, this eats CPU!");
}
}