diff options
| author | Sam Anthony <sam@samanthony.xyz> | 2024-10-30 10:51:15 -0400 |
|---|---|---|
| committer | Sam Anthony <sam@samanthony.xyz> | 2024-10-30 10:51:15 -0400 |
| commit | ad76ceb696bc8d54c2bd6e0f288161bea1b1117c (patch) | |
| tree | a60a28acad777962bbfc9d706d475db9a06d7c07 /balls.cl | |
| parent | 58881645eb1074ca457e325fcbe069b3f773fab6 (diff) | |
| download | balls-ad76ceb696bc8d54c2bd6e0f288161bea1b1117c.zip | |
replace EPSILON with FLT_EPSILON
Diffstat (limited to 'balls.cl')
| -rw-r--r-- | balls.cl | 15 |
1 files changed, 7 insertions, 8 deletions
@@ -1,7 +1,6 @@ #define G_FACTOR 3600.0 #define G (9.81 / G_FACTOR) #define DENSITY 1500.0 -#define EPSILON 1e-8 /* Account for FP rounding error. */ float mass(float radius); int isCollision(float2 p1, float r1, float2 p2, float r2); @@ -34,10 +33,10 @@ collideWalls(__global float2 *positions, __global float2 *velocities, __global f r = radii[id]; /* Set bounds. */ - min.x = -1.0 + r + EPSILON; - min.y = -1.0 + r + EPSILON; - max.x = 1.0 - r - EPSILON; - max.y = 1.0 - r - EPSILON; + min.x = -1.0 + r + FLT_EPSILON; + min.y = -1.0 + r + FLT_EPSILON; + max.x = 1.0 - r - FLT_EPSILON; + max.y = 1.0 - r - FLT_EPSILON; /* Check for collision with bounds. */ if (p.x <= min.x || p.x >= max.x) { @@ -123,7 +122,7 @@ isCollision(float2 p1, float r1, float2 p2, float r2) { float rhs; dist = p1 - p2; - rhs = r1 + r2 + EPSILON; + rhs = r1 + r2 + FLT_EPSILON; return (dist.x*dist.x + dist.y*dist.y) <= rhs*rhs; } @@ -134,8 +133,8 @@ setPosition(float2 *p1, float r1, float2 *p2, float r2) { mid = (*p1 + *p2) / 2.0f; n = unitNorm(*p2 - *p1); - *p1 = mid - (n*r1 + EPSILON); - *p2 = mid + (n*r2 + EPSILON); + *p1 = mid - (n*r1 + FLT_EPSILON); + *p2 = mid + (n*r2 + FLT_EPSILON); } /* Return the velocity of ball 1 after colliding with ball 2. */ |