~shockham/cligen

4273b86a44f5bda7d3415e53b336d567c9516fc2 — shockham 1 year, 19 days ago 9cb0c63
add input thread
1 files changed, 45 insertions(+), 5 deletions(-)

M march.c
M march.c => march.c +45 -5
@@ 1,6 1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <pthread.h>

#define HEIGHT 50
#define WIDTH 100


@@ 80,8 81,8 @@ float opDisp(vec3 p, float amt) {
}

vec2 scene(vec3 position) {
    vec2 sphere = { sdSphere(position, 0.6f) + opDisp(position, 3.0f), 10.0f };
    vec2 plane = { sdPlane(position, 0.6f), 10.0f };
    vec2 sphere = { sdSphere(position, 0.6f) + opDisp(position, 3.5f), 10.0f };
    vec2 plane = { sdPlane(position, 0.8f), 10.0f };
    return opUnion(plane, sphere);
}



@@ 105,15 106,50 @@ vec2 traceRay(vec3 origin, vec3 direction)
    return (vec2){ t, material };
}

vec3 cam;

void input(void)
{
    // camera movement
    while (1) {
        char ch = fgetc(stdin);
        switch(ch) {
            case 'w':
                cam.z -= 1.0f;
                printf("\033[%dF\n", 1);
                break;
            case 's':
                cam.z += 1.0f;
                printf("\033[%dF\n", 1);
                break;
            case 'a':
                cam.x -= 1.0f;
                printf("\033[%dF\n", 1);
                break;
            case 'd':
                cam.x += 1.0f;
                printf("\033[%dF\n", 1);
                break;
        }
    }
}

int main(void)
{
    int i, j, n;
    int i, j, n, err;
    float time;
    pthread_t thread;

    // camera stuff
    vec3 origin = { 0.0f, 0.0f, 0.0f };
    vec3 target = { 0.0f, 0.0f, 0.0f };
    //printf("origin: (%f, %f, %f)", origin.x, origin.y, origin.z);
    cam = (vec3){ 0.0f, 0.0f, 5.0 + 2.0f * sin(time) };
    
    err = pthread_create(&thread, NULL, input, NULL);
    if (err) {
        printf("An error occured: %d", err);
        return 1;
    }

    time = 0.0;



@@ 151,10 187,14 @@ int main(void)
            printf("\033[0;0m\n");
        }
        time += 0.002f;
        
        //origin.x = 2.0f * cos(time);
        origin.z = 5.0 + 2.0f * sin(time);
        origin.z = cam.z + 2.0f * sin(time);
        origin.x = cam.x;

        printf("\033[%dF\n", HEIGHT + 1);
    }

    pthread_join(thread, NULL);
    return 0;
}