games/voxel-test
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fix collision bugs

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onezplpl 2024-07-26 21:13:42 -04:00
parent 0f38b89e1c
commit fa7bb205cc
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GPG key ID: 7EC026A136F9EEC3
2 changed files with 33 additions and 26 deletions
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57
control.c
View file

@ -5,6 +5,7 @@
#include <GLFW/glfw3.h>
int is_space;
int ticks = 0;
int collision(struct chunk chunk, vec3 pos, vec3 dir_temp, int col, int n) {
vec3 closestVert = {floor(pos[0]), floor(pos[1] + 0.5), floor(pos[2])};
@ -13,8 +14,8 @@ int collision(struct chunk chunk, vec3 pos, vec3 dir_temp, int col, int n) {
double yd = dir_temp[1] / (closestVert[1] - (pos[1]));
double zd = dir_temp[2] / (closestVert[2] - (pos[2] - 0.5));
if (xd < 0 && n == 0) {
pos[0] = (closestVert[0] + 0.5);
dir_temp[0] = 0;
pos[0] = closestVert[0] + 0.5;
return 1;
}
if (yd < 0 && n == 1) {
@ -23,8 +24,8 @@ int collision(struct chunk chunk, vec3 pos, vec3 dir_temp, int col, int n) {
return 1;
}
if (zd < 0 && n == 2) {
pos[2] = (closestVert[2] + 0.5);
dir_temp[2] = 0;
pos[2] = closestVert[2] + 0.5;
return 1;
}
}
@ -36,7 +37,8 @@ struct v3f control_handler(double cx, double cy, vec3 pos, vec3 dir_temp,
GLFWwindow *window, struct chunk chunk) {
double delta = glfwGetTime();
if (delta > 1/60.0) delta = 1/60.0;
if (delta > 1 / 60.0)
delta = 1 / 60.0;
glfwSetTime(0);
delta *= 30;
vec3 direction = {cosf(cy) * sinf(cx), sinf(cy), cosf(cy) * cosf(cx)};
@ -48,39 +50,22 @@ struct v3f control_handler(double cx, double cy, vec3 pos, vec3 dir_temp,
vec3_dup(pos_temp, pos);
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
vec3_sub(dir_temp, dir_temp, front);
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
vec3_add(dir_temp, dir_temp, front);
}
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
vec3_add(dir_temp, dir_temp, right);
}
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
vec3_sub(dir_temp, dir_temp, right);
}
vec3_scale(dir_temp, dir_temp, pow(0.9,delta));
vec3_scale(dir_temp, dir_temp, pow(0.9, delta));
vec3 off = {0, 0, 0};
int col = 0;
for (int a = -2; a < 0; a++) {
for (int a = -2; a < 1; a++) {
off[1] = a;
for (int b = -1; b < 1; b++) {
off[0] = (b + 0.5) * 0.95;
off[0] = (b + 0.5) * 0.8;
for (int c = -1; c < 1; c++) {
off[2] = (c + 0.5) * 0.95;
off[2] = (c + 0.5) * 0.8;
col = col || gen_cube(pos[0] + off[0], pos[1] + off[1], pos[2] + off[2],
chunk, 0, -1);
}
}
}
vec3_add(pos, pos, dir_temp);
dir_temp[1] -= 0.03 * delta;
@ -99,13 +84,35 @@ struct v3f control_handler(double cx, double cy, vec3 pos, vec3 dir_temp,
}
}
if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS) {
if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS && !col) {
dir_temp[1] = 0.5 * delta;
}
}
collision(chunk, pos, dir_temp, col, 0);
collision(chunk, pos, dir_temp, col, 2);
if (col) {
ticks = 4;
}
ticks--;
if (ticks < 0) {
ticks = 0;
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
vec3_sub(dir_temp, dir_temp, front);
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
vec3_add(dir_temp, dir_temp, front);
}
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
vec3_add(dir_temp, dir_temp, right);
}
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
vec3_sub(dir_temp, dir_temp, right);
}
}
struct v3f dirOut;
vec3_dup(dirOut.pos, direction);

2
main.c
View file

@ -271,7 +271,7 @@ int main(void) {
mat4x4_perspective(p, 45.0 / 180.0 * M_PI, ratio, 0.1, 1000);
vec3 direction;
vec3_dup(direction,
control_handler(cx, cy, pos, dir_temp, window, chunk).pos);