games/voxel-test
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fog

Browse source
This commit is contained in:
onezplpl 2024-07-15 00:55:34 -04:00
parent 887dfbe5c4
commit 5ff44a7335
No known key found for this signature in database
GPG key ID: 7EC026A136F9EEC3
5 changed files with 115 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

29
main.c
View file

@ -15,28 +15,37 @@
#include <stdio.h>
#include <stdlib.h>
#include "gen.h"
static const char *vertex_shader_text =
"#version 330\n"
"layout (location = 0) in vec3 v_pos;"
"layout (location = 1) in vec3 v_off;"
"uniform mat4 mvp;\n"
"out vec2 v_tex;\n"
"out vec3 v_pos_out;\n"
"void main()\n"
"{\n"
" gl_Position = mvp * vec4(v_pos, 1.0);\n"
" v_tex=vec2(v_off);\n"
" v_pos_out=v_pos;\n"
"}\n";
static const char *fragment_shader_text =
"#version 330\n"
"out vec4 color;\n"
"in vec2 v_tex;\n"
"in vec3 v_pos_out;\n"
"uniform sampler2D sampler_tex;\n"
"uniform vec3 center;\n"
"float dist;\n"
"void main()\n"
"{\n"
//" color=vec4(v_tex.rg,0.5,0.5);\n"
" if (v_tex.x < 0.0 || v_tex.y < 0.0) { discard; }\n"
" color=vec4(texture(sampler_tex, v_tex).rgb,0.5);\n"
" dist = distance(v_pos_out, center)/65;\n"
" if (dist > 1.0) { dist = 1.0; }\n"
" color=vec4(texture(sampler_tex, v_tex).rgb,1.0)*(1.0-(dist*dist)) + vec4(0.2,0.5,0.7,1.0)*(dist*dist);\n"
"}\n";
int isCursor = 0;
@ -117,8 +126,8 @@ int main(void) {
Vertex *cube = malloc(CTRI_ALL);
Vertex *text = malloc(CTRI_ALL);
int cube_count = gen_cubes(cube, text, 1024 / CHUNK_LENGTH, 64 / CHUNK_LENGTH,
1024 / CHUNK_LENGTH, 0, 1);
int cube_count = gen_cubes(cube, text, 10240 / CHUNK_LENGTH, 64 / CHUNK_LENGTH,
10240 / CHUNK_LENGTH, 0, 1);
GLuint vertex_buffer[2];
GLuint vertex_array;
@ -152,6 +161,7 @@ int main(void) {
GLint tex_location = glGetUniformLocation(program, "sampler_tex");
GLint mvp_location = glGetUniformLocation(program, "mvp");
GLint center_location = glGetUniformLocation(program, "center");
unsigned char *pixels;
@ -165,7 +175,16 @@ int main(void) {
glfwSetKeyCallback(window, key_callback);
glfwSetCursorPosCallback(window, cursor_position_callback);
vec3 pos = {1024, 64, 1024};
vec3 pos = {10240, 48, 10240};
vec3 oldPos = {0,0,0};
Chunk ch7;
ch7.exists = 0;
int state = cube_exists(pos[0], pos[1], pos[2], ch7, 0, 0);
while (1) {
if (state != cube_exists(pos[0], pos[1], pos[2], ch7, 0, 0)) break;
pos[1] += (state ? 1 : -1);
}
// int x = 0, y = 25, z = 0;
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
@ -175,7 +194,6 @@ int main(void) {
int is_render = 1;
int last_render = 0;
vec3 oldPos = {pos[0], pos[1], pos[2]};
while (!glfwWindowShouldClose(window)) {
@ -220,6 +238,7 @@ int main(void) {
mat4x4_mul(mvp, mvp, m);
glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat *)&mvp);
glUniform3fv(center_location, 1, (const GLfloat *)(&(oldPos[0])));
int ax = (int)(oldPos[0] / CHUNK_LENGTH) - (int)(pos[0] / CHUNK_LENGTH);
int ay = (int)(oldPos[1] / CHUNK_LENGTH) - (int)(pos[1] / CHUNK_LENGTH);