From 6fc7d7a4c3d53c647d88e981b83957e7f00c8bfc Mon Sep 17 00:00:00 2001
From: Crizomb <clementbart.45@gmail.com>
Date: Sun, 28 Sep 2025 04:15:28 +0200
Subject: [PATCH] Revert "little opti ?"

This reverts commit 40c0846029ee7d3dc4bb20f91fb9c2620002f133.
---
 src/ray_marching.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/ray_marching.go b/src/ray_marching.go
index 2a1ccd9..6af7946 100644
--- a/src/ray_marching.go
+++ b/src/ray_marching.go
@@ -8,7 +8,8 @@ import (
 	"math"
 )
 
-func phongShading(point Vector3, normal Vector3, lightVec Vector3, mat Material) Vector3 {
+func phongShading(point Vector3, normal Vector3, mat Material) Vector3 {
+	lightVec := (lightPos.Sub(point)).Normalized()
 	reflectLight := Reflect(lightVec, normal)
 	eyeVec := (cameraPos.Sub(point)).Normalized()
 	brutMat := mat.GetMaterialBrut()
@@ -23,7 +24,8 @@ func phongShading(point Vector3, normal Vector3, lightVec Vector3, mat Material)
 	return ambiant.Add(diffuse).Add(specular)
 }
 
-func shadow(point Vector3, direction Vector3) float64 {
+func shadow(point Vector3) float64 {
+	direction := (lightPos.Sub(point)).Normalized()
 	p := point.Add(direction.Scale(5 * EPS))
 	res := 1.0
 	dist_total := 0.0
@@ -48,8 +50,7 @@ func rayMarch(origin Vector3, direction Vector3) (bool, Vector3) {
 		dist, mat := scene.Distance(p)
 		if dist < EPS {
 			normal := Gradient(scene, p, EPS).Normalized()
-			lightVec := (lightPos.Sub(p)).Normalized()
-			return true, phongShading(p, normal, lightVec, mat).Scale(max(shadow(p, lightVec), 0.3))
+			return true, phongShading(p, normal, mat).Scale(max(shadow(p), 0.3))
 			// return true, phongShading(p, normal, *mat)
 		}
 		if dist > MAX_DIST {