koma/grafika-beadando
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collison changes

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This commit is contained in:
Akos Horvath 2022-04-21 16:29:05 +02:00
parent 1a3b5090a6
commit b1fd709a00
4 changed files with 59 additions and 30 deletions
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8
include/camera.h
View File

@ -8,12 +8,14 @@
/**
* Camera, as a moving point with direction
*/
struct App;
typedef struct Camera
{
vec3f position;
vec3f rotation;
vec3f speed;
struct App *app;
} Camera;
/**
@ -24,7 +26,7 @@ void init_camera(Camera* camera);
/**
* Update the position of the camera.
*/
void update_camera(Camera* camera, double time);
void update_camera(Camera* camera, struct App *app, double time);
/**
* Apply the camera settings to the view transformation.
@ -40,14 +42,14 @@ void rotate_camera(Camera* camera, double horizontal, double vertical);
/**
* Set the speed of forward and backward motion.
*/
void set_camera_speed(Camera* camera, double speed);
void camera_set_speed(Camera* camera, double speed);
void camera_set_vertical_speed(Camera* camera, double speed);
/**
* Set the speed of left and right side steps.
*/
void set_camera_side_speed(Camera* camera, double speed);
void camera_set_side_speed(Camera* camera, double speed);
vec3f get_camera_dir_vec3f(Camera* camera);

4
include/utils.h
View File

@ -3,7 +3,9 @@
#include <stdbool.h>
#include <stdlib.h>
#include "app.h"
#define CHUNK_MAX_X 16
#define CHUNK_MAX_Y 16
#define CHUNK_MAX_Z 128
/**
* GLSL-like three dimensional vector

60
src/app.c
View File

@ -65,9 +65,8 @@ void update_app(App* app)
{
app->camera.speed.z -= GRAVITY * (app->frame_time/1000);
if(app_check_collision(app))
camera_set_vertical_speed(&app->camera, 0.0);
update_camera(&(app->camera), app->frame_time/1000);
app_check_collision(app);
update_camera(&(app->camera), app, app->frame_time/1000);
}
void init_opengl()
@ -134,16 +133,16 @@ void handle_events(App* app)
app->is_running = false;
break;
case SDL_SCANCODE_W:
set_camera_speed(&(app->camera), SPEED);
camera_set_speed(&(app->camera), SPEED);
break;
case SDL_SCANCODE_S:
set_camera_speed(&(app->camera), -SPEED);
camera_set_speed(&(app->camera), -SPEED);
break;
case SDL_SCANCODE_A:
set_camera_side_speed(&(app->camera), SPEED);
camera_set_side_speed(&(app->camera), SPEED);
break;
case SDL_SCANCODE_D:
set_camera_side_speed(&(app->camera), -SPEED);
camera_set_side_speed(&(app->camera), -SPEED);
break;
case SDL_SCANCODE_SPACE:
if (app_check_collision(app))
@ -161,11 +160,11 @@ void handle_events(App* app)
switch (event.key.keysym.scancode) {
case SDL_SCANCODE_W:
case SDL_SCANCODE_S:
set_camera_speed(&(app->camera), 0);
camera_set_speed(&(app->camera), 0);
break;
case SDL_SCANCODE_A:
case SDL_SCANCODE_D:
set_camera_side_speed(&(app->camera), 0);
camera_set_side_speed(&(app->camera), 0);
break;
case SDL_SCANCODE_SPACE:
case SDL_SCANCODE_LSHIFT:
@ -327,17 +326,40 @@ bool app_check_collision(App *app)
vec3f c_pos = app->camera.position;
vec3i c_index = { floor(c_pos.x), floor(c_pos.y), floor(c_pos.z) };
for (int x = c_index.x-1; x < c_index.x+1; x++) {
for (int y = c_index.y-1; y < c_index.y+1; y++) {
for (int z = c_index.z-1; y < c_index.z+1; z++) {
if(!check_index(x, y, z))
continue;
if(is_block(app->chunks[i].blocks[x][y][z])) {
//for (int x = c_index.x-1; x < c_index.x+1; x++) {
// for (int y = c_index.y-1; y < c_index.y+1; y++) {
// for (int z = c_index.z-1; y < c_index.z+1; z++) {
// if(!check_index(x, y, z))
// continue;
// if(is_block(app->chunks[i].blocks[x][y][z])) {
//
// }
// }
// }
//}
}
}
}
}
int x = c_index.x;
int y = c_index.y;
int z = c_index.z;
if (check_index(x-1, y, z))
if (is_block(app->chunks[i].blocks[x-1][y][z]))
//camera_set_side_speed(&app->camera, 0.0);
if (check_index(x+1, y, z))
if (is_block(app->chunks[i].blocks[x+1][y][z]))
//camera_set_side_speed(&app->camera, 0.0);
if (check_index(x, y-1, z))
if (is_block(app->chunks[i].blocks[x][y-1][z]))
//camera_set_speed(&app->camera, 0.0);
if (check_index(x, y+1, z))
if (is_block(app->chunks[i].blocks[x][y+1][z]))
//camera_set_speed(&app->camera, 0.0);
if (check_index(x, y, z-1))
if (is_block(app->chunks[i].blocks[x][y][z-1]))
camera_set_vertical_speed(&app->camera, 0.0);
if (check_index(x, y, z+1))
if (is_block(app->chunks[i].blocks[x][y][z+1]))
camera_set_vertical_speed(&app->camera, 0.0);
return false;
}

15
src/camera.c
View File

@ -18,17 +18,20 @@ void init_camera(Camera* camera)
camera->speed.z = 0.0;
}
void update_camera(Camera* camera, double time)
void update_camera(Camera* camera, struct App *app, double time)
{
int i = app_get_current_chunk_index(app);
double angle;
double side_angle;
angle = degree_to_radian(camera->rotation.z);
side_angle = degree_to_radian(camera->rotation.z + 90.0);
camera->position.x += cos(angle) * camera->speed.y * time;
camera->position.y += sin(angle) * camera->speed.y * time;
camera->position.z += camera->speed.z * time;
float x = camera->position.x = cos(angle) * camera->speed.y * time;
float y = camera->position.y = sin(angle) * camera->speed.y * time;
float z = camera->position.z = camera->speed.z * time;
if(is_block(app->chunks[i].blocks[(int)x][(int)y][(int)z]))
camera->position.x += cos(side_angle) * camera->speed.x * time;
camera->position.y += sin(side_angle) * camera->speed.x * time;
@ -75,7 +78,7 @@ void rotate_camera(Camera* camera, double horizontal, double vertical)
}
}
void set_camera_speed(Camera* camera, double speed)
void camera_set_speed(Camera* camera, double speed)
{
camera->speed.y = speed;
}
@ -85,7 +88,7 @@ void camera_set_vertical_speed(Camera* camera, double speed)
camera->speed.z = speed;
}
void set_camera_side_speed(Camera* camera, double speed)
void camera_set_side_speed(Camera* camera, double speed)
{
camera->speed.x = speed;
}