williamjcm/raycastlib
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Add benchmark

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This commit is contained in:
Miloslav Číž 2018-09-04 12:39:26 +02:00
parent 12cfd9f0fb
commit b1146d8f05
1 changed files with 35 additions and 0 deletions
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35
test.c
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@ -93,6 +93,38 @@ void benchCastRays()
} }
} }
void benchmarkMapping()
{
Vector2D v;
Camera c;
c.resolution.x = 1024;
c.resolution.y = 768;
c.position.x = UNITS_PER_SQUARE / 2;
c.position.y = UNITS_PER_SQUARE * 2;
c.direction = UNITS_PER_SQUARE / 8;
c.height = 0;
c.fovAngle = UNITS_PER_SQUARE / 2;
PixelInfo p;
Vector2D pos;
Unit height;
pos.x = -1024 * UNITS_PER_SQUARE;
pos.y = -512 * UNITS_PER_SQUARE;
height = 0;
for (int i = 0; i < 1000000; ++i)
{
p = mapToScreen(pos,height,c);
pos.x += 4;
pos.y += 8;
height = (height + 16) % 1024;
}
}
int main() int main()
{ {
printf("Testing raycastlib.\n"); printf("Testing raycastlib.\n");
@ -151,6 +183,9 @@ int main()
t = measureTime(benchCastRays); t = measureTime(benchCastRays);
printf("cast 1000000 rays: %ld ms\n",t); printf("cast 1000000 rays: %ld ms\n",t);
t = measureTime(benchmarkMapping);
printf("map point to screen 1000000 times: %ld ms\n",t);
printf("\n"); printf("\n");
printProfile(); printProfile();