Crizomb/RayMarchingGo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

reflection added

Browse source
This commit is contained in:
Crizomb 2025-09-28 04:46:54 +02:00
parent 6fc7d7a4c3
commit a6770d7fac
3 changed files with 24 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/ray_marching.go
View file

@ -44,13 +44,31 @@ func shadow(point Vector3) float64 {
return res
}
func rayMarch(origin Vector3, direction Vector3) (bool, Vector3) {
func reflect(point Vector3, direction Vector3, normal Vector3, mat Material, reflectNumber int) Vector3 {
brutMat := mat.GetMaterialBrut()
if reflectNumber <= 0 || brutMat.reflectanceFac < EPS {
return Vector3{0, 0, 0}
}
reflected := Reflect(direction, normal).Scale(-1)
reflectRayOrigin := point.Add(reflected.Scale(5 * EPS))
hit, color := rayMarch(reflectRayOrigin, reflected, reflectNumber-1)
if !hit {
color = Vector3{0, 0, 0}
}
// fmt.Println("Reflect")
return color.Scale(brutMat.reflectanceFac)
}
func rayMarch(origin Vector3, direction Vector3, reflectNumber int) (bool, Vector3) {
p := origin
for range MAX_STEP {
dist, mat := scene.Distance(p)
if dist < EPS {
normal := Gradient(scene, p, EPS).Normalized()
return true, phongShading(p, normal, mat).Scale(max(shadow(p), 0.3))
phongShade := phongShading(p, normal, mat)
shadowCoeff := max(shadow(p), 0.3)
reflectColor := reflect(p, direction, normal, mat, reflectNumber)
return true, phongShade.Add(reflectColor).Scale(shadowCoeff)
// return true, phongShading(p, normal, *mat)
}
if dist > MAX_DIST {