Utilisation de draw_everything

src/field.c

@@ -40,7 +40,7 @@ bool compute_total_normalized_e(charge_t *charges, int num_charges, vec2 p, doub
 // starting from pos0.
 // Returns false if pos0 is not a valid position
 // (for example if pos0 is too close to a charge).
-bool draw_field_line(struct gfx_context_t *ctxt, charge_t *charges, int num_charges, double dx, vec2 pos0, double x0, double x1, double y0, double y1) {
+static bool draw_field_line(struct gfx_context_t *ctxt, charge_t *charges, int num_charges, double dx, vec2 pos0, double x0, double x1, double y0, double y1) {
 	vec2 pos = vec2_create(pos0.x, pos0.y);
 	vec2 pos_sum;
 	for (int i = 0; i < num_charges; i++)
@@ -55,7 +55,7 @@ bool draw_field_line(struct gfx_context_t *ctxt, charge_t *charges, int num_char
 // Draw all the charges
 // A circle with minus sign for negative charges
 // A circle with a plus sign for positive charges
-void draw_charges(struct gfx_context_t *context, charge_t *charges, int num_charges, double x0, double x1, double y0, double y1) {
+static void draw_charges(struct gfx_context_t *context, charge_t *charges, int num_charges, double x0, double x1, double y0, double y1) {
 	for (int i = 0; i < num_charges; i++)
 	{
 		coordinates_t charge_center = position_to_coordinates(WID, HEI, x0, x1, y0, y1, charges[i].pos);

src/field.h

@@ -22,12 +22,12 @@ bool compute_total_normalized_e(charge_t *charges, int num_charges, vec2 p, doub
 // starting from pos0.
 // Returns false if pos0 is not a valid position
 // (for example if pos0 is too close to a charge).
-bool draw_field_line(struct gfx_context_t *ctxt, charge_t *charges, int num_charges, double dx, vec2 pos0, double x0, double x1, double y0, double y1);
+static bool draw_field_line(struct gfx_context_t *ctxt, charge_t *charges, int num_charges, double dx, vec2 pos0, double x0, double x1, double y0, double y1);
 
 // Draw all the charges
 // A circle with minus sign for negative charges
 // A circle with a plus sign for positive charges
-void draw_charges(struct gfx_context_t *context, charge_t *charges, int num_charges, double x0, double x1, double y0, double y1);
+static void draw_charges(struct gfx_context_t *context, charge_t *charges, int num_charges, double x0, double x1, double y0, double y1);
 
 void draw_everything(
 		struct gfx_context_t *ctxt,

src/main.c

@@ -18,13 +18,8 @@ int main() {
 			{.q=0.25, .pos=vec2_create(0.75, 0.5)},
 	};
 	struct gfx_context_t *ctxt = gfx_create("elec", WID, HEI);
-	
-	draw_charges(ctxt, charges, NCHARGES, 0.0, 1.0, 0.0, 1.0);
 
-	for (int i = 0; i < NCHARGES; ++i) {
-		vec2 start = vec2_normalize(vec2_create(rand(), rand()));
-		draw_field_line(ctxt, charges, NCHARGES, DX, start, 0.0, 1.0, 0.0, 1.0);
-	}
+	draw_everything(ctxt, charges, NCHARGES, NLINES, DX, 0.0, 1.0, 0.0, 1.0);
 
 	while (gfx_keypressed() != SDLK_ESCAPE) gfx_present(ctxt);
 	gfx_destroy(ctxt);