bool ASkill::ConeTrace(AActor* actorToIgnore, const FVector& start, const FVector& dir, float coneHeight, TArray<AGameCharacter*>& hitsOut, ECollisionChannel traceChannel /* = ECC_Pawn */)
{
TArray<FHitResult> sphereHits1, sphereHits2, sphereHits3, sphereHits4;
FVector dp(0.f, 0.0f, 1.0f);
FVector p1 = start + (dir * (0.045*coneHeight));
SphereTrace(actorToIgnore, p1, p1 + dp, 0.045f*coneHeight, sphereHits1, traceChannel);
FVector p2 = start + (dir * (0.17*coneHeight));
SphereTrace(actorToIgnore, p2, p2 + dp, 0.08f*coneHeight, sphereHits2, traceChannel);
FVector p3 = start + (dir * (0.395*coneHeight));
SphereTrace(actorToIgnore, p3, p3 + dp, 0.145f*coneHeight, sphereHits3, traceChannel);
FVector p4 = start + (dir * (0.77*coneHeight));
SphereTrace(actorToIgnore, p4, p4 + dp, 0.23f*coneHeight, sphereHits4, traceChannel);
sphereHits1.Append(sphereHits2);
sphereHits1.Append(sphereHits3);
sphereHits1.Append(sphereHits4);
for (int32 i = 0; i < sphereHits1.Num(); i++)
{
AGameCharacter* mc = Cast<AGameCharacter>(sphereHits1[i].GetActor());
if (mc)
hitsOut.AddUnique(mc);
}
return true;
}
void mainImage( out vec4 fragColor, in vec2 fragCoord )
{
vec2 pixel = (gl_FragCoord.xy / iResolution.xy)*2.0-1.0;
// compute ray origin and direction
float asp = iResolution.x / iResolution.y;
vec3 rd = normalize(vec3(asp*pixel.x, pixel.y, -4.0));
vec3 ro = vec3(0.0, 0.0, 20.0);
// vec2 mouse = iMouse.xy / iResolution.xy;
float a=iGlobalTime*0.25;
ro = rotateY(ro, a);
rd = rotateY(rd, a);
// Trace ray
bool hit;
// Number of steps
int s;
float t = SphereTrace(ro, rd, hit,s);
vec3 pos=ro+t*rd;
// Shade background
vec3 rgb = background(rd);
if (hit)
{
// Compute normal
vec3 n = ObjectNormal(pos);
// Shade object with light
rgb = Shade(pos, n);
}
// Uncomment this line to shade image with false colors representing the number of steps
//rgb = ShadeSteps(s);
fragColor=vec4(rgb, 1.0);
}