main.c

#include <stdlib.h>
#include "field.h"

#define NC 3
#define DX 25
#define NLINES 50

int main() {
	charge_t charges[NC];
	for (int i = 0; i < NC; ++i)
		charges[i] = charge_create(i % 2 == 0 ? rand_one() : -rand_one(), vec2_create(rand_one(), rand_one()));
	struct gfx_context_t *ctxt = gfx_create("elec", WID, HEI);

	draw_everything(ctxt, charges, NC, NLINES, DX, 0.0, 1.0, 0.0, 1.0);
	gfx_present(ctxt);
	while (gfx_keypressed() != SDLK_ESCAPE);
	gfx_destroy(ctxt);

	return EXIT_SUCCESS;
}