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Check and testing timming #865

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This commit is contained in:
raysan5 2019-12-04 17:59:17 +01:00
parent 3d936061c8
commit 08adb4b8c3
2 changed files with 12 additions and 9 deletions
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13
src/core.c
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@ -1279,13 +1279,15 @@ void EndDrawing(void)
Wait((float)(targetTime - frameTime)*1000.0f); Wait((float)(targetTime - frameTime)*1000.0f);
currentTime = GetTime(); currentTime = GetTime();
double extraTime = currentTime - previousTime; double waitTime = currentTime - previousTime;
previousTime = currentTime; previousTime = currentTime;
frameTime += extraTime; frameTime += waitTime; // Total frame time: update + draw + wait
}
return; //SetWindowTitle(FormatText("Update: %f, Draw: %f, Req.Wait: %f, Real.Wait: %f, Total: %f, Target: %f\n",
// (float)updateTime, (float)drawTime, (float)(targetTime - (updateTime + drawTime)),
// (float)waitTime, (float)frameTime, (float)targetTime));
}
} }
// Initialize 2D mode with custom camera (2D) // Initialize 2D mode with custom camera (2D)
@ -1588,13 +1590,12 @@ void SetTargetFPS(int fps)
// Returns current FPS // Returns current FPS
int GetFPS(void) int GetFPS(void)
{ {
return (int)(1.0f/GetFrameTime()); return (int)roundf(1.0f/GetFrameTime());
} }
// Returns time in seconds for last frame drawn // Returns time in seconds for last frame drawn
float GetFrameTime(void) float GetFrameTime(void)
{ {
// NOTE: We round value to milliseconds
return (float)frameTime; return (float)frameTime;
} }

4
src/text.c
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@ -759,7 +759,7 @@ void UnloadFont(Font font)
// NOTE: Uses default font // NOTE: Uses default font
void DrawFPS(int posX, int posY) void DrawFPS(int posX, int posY)
{ {
// NOTE: We are rendering fps every second for better viewing on high framerates // NOTE: We are rendering fps every certain time for better viewing on high framerates
static int fps = 0; static int fps = 0;
static int counter = 0; static int counter = 0;
@ -773,6 +773,8 @@ void DrawFPS(int posX, int posY)
counter = 0; counter = 0;
} }
// TODO: Find a better way to calculate FPS, maybe calculate the mean of multiple measures?
// NOTE: We have rounding errors every frame, so it oscillates a lot // NOTE: We have rounding errors every frame, so it oscillates a lot
DrawText(TextFormat("%2i FPS", fps), posX, posY, 20, LIME); DrawText(TextFormat("%2i FPS", fps), posX, posY, 20, LIME);
} }