diff --git a/SQCSim-common/chunk.cpp b/SQCSim-common/chunk.cpp
index 2e843da..fa361d6 100644
--- a/SQCSim-common/chunk.cpp
+++ b/SQCSim-common/chunk.cpp
@@ -10,7 +10,9 @@ Chunk::Chunk(unsigned int x, unsigned int y, int64_t seed) : m_posX(x), m_posY(y
 
 	//if (input.fail()) {
 	OpenSimplexNoise::Noise simplex = OpenSimplexNoise::Noise(seed);
+	int ratio = 0;
 
+	ratio = x * y % 7;
 	m_blocks.Reset(BTYPE_AIR);
 
 #pragma region  Montagnes et Grass des montagnes
@@ -33,14 +35,14 @@ Chunk::Chunk(unsigned int x, unsigned int y, int64_t seed) : m_posX(x), m_posY(y
 				if (iy < 20)
 				{
 					//std::cout << "" << ynoiz << std::endl;
-					SetBlock(ix, iy, iz, BTYPE_GRASS, nullptr);
+					SetBlock(ix, iy, iz, BTYPE_GREENGRASS, nullptr);
 				}
 				else if (iy == 20 || iy == 21) {
 					double fractionalPart = ynoiz - static_cast<int>(ynoiz);
 
 					if (iy == 20) {
 						if (fractionalPart < 0.3) {
-							SetBlock(ix, iy, iz, BTYPE_GRASS, nullptr);
+							SetBlock(ix, iy, iz, BTYPE_GREENGRASS, nullptr);
 						}
 						else {
 							SetBlock(ix, iy, iz, BTYPE_METAL, nullptr);
@@ -48,7 +50,7 @@ Chunk::Chunk(unsigned int x, unsigned int y, int64_t seed) : m_posX(x), m_posY(y
 					}
 					else if (iy == 21) {
 						if (fractionalPart < 0.6) {
-							SetBlock(ix, iy, iz, BTYPE_GRASS, nullptr);
+							SetBlock(ix, iy, iz, BTYPE_GREENGRASS, nullptr);
 						}
 						else {
 							SetBlock(ix, iy, iz, BTYPE_METAL, nullptr);
@@ -136,7 +138,7 @@ Chunk::Chunk(unsigned int x, unsigned int y, int64_t seed) : m_posX(x), m_posY(y
 				height /= (CHUNK_SIZE_Y / 1.9);
 				height += 15.;
 
-				if (GetBlock(ix, (int)height, iz) == BTYPE_GRASS || (GetBlock(ix, (int)height, iz) == BTYPE_METAL)) {
+				if (GetBlock(ix, (int)height, iz) == BTYPE_GREENGRASS || (GetBlock(ix, (int)height, iz) == BTYPE_METAL)) {
 					valeurRnd = simplex.eval(xnoiz, ynoiz);
 
 					int distanceThreshold = 20;
@@ -220,7 +222,7 @@ Chunk::Chunk(unsigned int x, unsigned int y, int64_t seed) : m_posX(x), m_posY(y
 void Chunk::PlaceTree(int x, int y, int z, int height) {
 
 	for (int iy = 0; iy < height + 1; ++iy) {
-		SetBlock(x, y + iy, z, BTYPE_LAST, nullptr);
+		SetBlock(x, y + iy, z, BTYPE_GRASS, nullptr);
 	}
 
 	int foliageHeight = height / 2;