flight-jai/checker.c

#include <stdio.h>
#define CUTE_C2_IMPLEMENTATION
#include "cute_c2.h"

int main(int argc, char ** argv)
{
    int face_index = -1;
    #define V(xin, yin) (c2v){.x = xin, .y = yin}
    #define VN(x, y) (c2Norm(V(x, y)))
#if 0
    c2v vert = V(1.0, 2.0);
    c2v vert_no_macro = (c2v){.x = 1.0, .y = 2.0};
#endif
#if 0
    c2Poly A = (c2Poly){
        .count = 1, 
        .verts = {V(-1.0, 26.0)},
        .norms = {V(-1.0, 0.0)},
    };
    printf("%f\n", A.verts[0].y);
#endif
    
#if 1
    c2Poly A = (c2Poly){
        .count = 4, 
        .verts = {V(-1, 1), V(1, 1), V(1, -1), V(-1, -1)},
    };
    c2MakePoly(&A);
    c2Poly B = (c2Poly){
        .count = 4,
        .verts = {V(-0.5, 1), V(1.5, 1), V(1.5, -1), V(-0.5, -1)},
    };
    c2MakePoly(&B);

    c2v b_offset = V(0.0, 0.0);
    for(int i = 0; i < B.count; i++) {
        B.verts[i].x += b_offset.x;
        B.verts[i].y += b_offset.y;
    }

    printf("A\n");
    for(int i = 0; i < A.count; i++) {
        printf("(%f,%f), ", A.verts[i].x, A.verts[i].y);
    }
    printf("\n");
    printf("Normals: ");
    for(int i = 0; i < A.count; i++) {
        printf("(%f,%f), ", A.norms[i].x, A.norms[i].y);
    }
    printf("\n");
    printf("\n");
    printf("B\n");
    for(int i = 0; i < B.count; i++) {
        printf("(%f,%f), ", B.verts[i].x, B.verts[i].y);
    }
    printf("\n");

    float output = c2CheckFaces(&A, c2xIdentity(), &B, c2xIdentity(), &face_index);

    printf("Separation %f face_index %d\n", output, face_index);

    c2Manifold m = {0};
    c2PolytoPolyManifold(&A, NULL, &B, NULL, &m);
    printf("Manifold normal (%f, %f) | depth 0 %f | depth 1 %f |\n", m.n.x, m.n.y, m.depths[0], m.depths[1]);

#endif
    getchar(); // so terminal doesn't close immediately in remedybg
}