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Optimized lighting, frustum culling, generator

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- Extended CHUNK_H to 256
- Modified world generator for new world height
- Added simple 2d frustum culling
- Optimized sky lighting calculations
This commit is contained in:
MihailRis
2021-09-17 19:15:14 +03:00
committed by GitHub
parent a11ab33115
commit 01c6c854e1
5 changed files with 64 additions and 18 deletions
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src/voxels/WorldGenerator.cpp
+17 -11
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@@ -1,29 +1,35 @@
#include "WorldGenerator.h"
#include "voxel.h";
#include "Chunk.h";
#include "voxel.h"
#include "Chunk.h"
#include <math.h>
#include <glm/glm.hpp>
#include <glm/gtc/noise.hpp>
void WorldGenerator::generate(voxel* voxels, int cx, int cy, int cz){
const float s = 0.25f;
for (int z = 0; z < CHUNK_D; z++){
for (int x = 0; x < CHUNK_W; x++){
int real_x = x + cx * CHUNK_W;
int real_z = z + cz * CHUNK_D;
float height = glm::perlin(glm::vec3(real_x*0.0125f,real_z*0.0125f, 0.0f));
height += glm::perlin(glm::vec3(real_x*0.025f,real_z*0.025f, 0.0f))*0.5f;
height *= 0.1f;
height += 0.05f;
float height = glm::perlin(glm::vec3(real_x*0.0125f*s,real_z*0.0125f*s, 0.0f));
height += glm::perlin(glm::vec3(real_x*0.025f*s,real_z*0.025f*s, 0.0f))*0.5f;
height += glm::perlin(glm::vec3(real_x*0.05f*s,real_z*0.05f*s, 0.0f))*0.25f;
height += glm::perlin(glm::vec3(real_x*0.1f*s,real_z*0.1f*s, 0.0f))*0.225f;
height += glm::perlin(glm::vec3(real_x*0.2f*s,real_z*0.2f*s, 0.0f))*0.125f;
height = height * 0.5f + 0.5f;
height *= height;
height *= 140.0f;
height += 48;
for (int y = 0; y < CHUNK_H; y++){
int real_y = y + cy * CHUNK_H;
float noise = height;
int id = noise / std::fmax(0.01f, real_y*0.1f + 0.1f) > 0.1f;
int id = 0;
if (real_y == (int)height)
id = 2;
else if (real_y < height)
id = 1;
if (real_y <= 2)
id = 2;
if (id == 0 && real_y == 14 && height <= 0.01f)
id = 1;
voxels[(y * CHUNK_D + z) * CHUNK_W + x].id = id;
}
}