colors gradient is fonctionning

srcs/draw_bonus.c

@@ -1,4 +1,5 @@
 #include "fdf.h"
+#include <stdio.h>
 
 void	draw_image(t_fdf *fdf)
 {
@@ -39,21 +40,6 @@ void	draw_grid(t_fdf *fdf, int i, int j)
 	draw_lines(fdf, point_start, point_end);
 	free(point_start);
 	free(point_end);
-
-/*
-const char c = 'w';
-const int n = 23;
-const char *s = "hello";
-ft_putchar(c);								ft_putchar_fd(',',1);
-ft_putchar_fd(c, 1);					ft_putchar_fd('\n',1);
-ft_putnbr(n);									ft_putchar_fd(',',1);
-ft_putnbr_fd(n, 1);						ft_putchar_fd('\n',1);
-ft_putstr(s);									ft_putchar_fd(',',1);
-ft_putstr_fd(s, 1);						ft_putchar_fd('\n',1);
-ft_putnbrbase(n, "01");				ft_putchar_fd(',',1);
-ft_putnbrbase_fd(n, "01", 1);	ft_putchar_fd('\n',1);
-ft_putchar_fd('\n',1);
-*/
 }
 
 // return the position of the point p
@@ -80,23 +66,26 @@ int	color_percent(t_fdf *fdf, int *p_start, int *p_end, int p_numerator, int p_d
 	int percent;
 
 	z_total = fdf->z_amplitude;
-	line = ft_abs(p_end[2] - p_start[2]);
+	line = ft_abs(p_end[3] - p_start[3]);
 	line *= 100;
-	if (p_start[2] < p_end[2])
+	if (p_start[3] < p_end[3])
 	{
-		start = p_start[2] - fdf->min_z;
+		start = p_start[3] - fdf->min_z;
 		start *= 100;
 	}
 	else
 	{
-		start = p_end[2] - fdf->min_z;
+		start = p_end[3] - fdf->min_z;
 		start *= 100;
 		p_numerator = p_denominator - p_numerator;
 	}
-	percent = (start + line * p_numerator / p_denominator) / z_total;
+	if (p_denominator != 0)
+		percent = (start + line * p_numerator / p_denominator) / z_total;
+	else
+		percent = 0;
 
 /*
-if (percent > 100)
+if (ft_abs(percent) > 100)
 {
 	ft_putchar_fd('[',1);
 	ft_putnbr_fd(z_total,1);
@@ -118,6 +107,7 @@ if (percent > 100)
  start end min max  z_total start line p_numerator p_denominator percent
 (    1, -1, -1,  1)[     2,   200, 200,         16,           61,    126]
 (   -1,  1, -1,  1)[     2,     0, 200,         -8,           -7,    114]
+(    2,  0, -1,  1)[     2,   100, 200,         61,           61,    150]
 
 percent = (start + line * p_numerator / p_denominator) / z_total;
 */
@@ -133,14 +123,6 @@ void	draw_lines(t_fdf *fdf, int *start, int *end)
 	int	j;
 	int	percent;
 
-/*
-int	color_r, color_g, color_b;
-color_r = rand() % 0xff + 1;
-color_g = rand() % 0xff + 1;
-color_b = rand() % 0xff + 1;
-int	color = (color_r << 16) + (color_g << 8) + color_b;
-*/
-
 	if (end)
 	{
 		dx = end[0] - start[0];
@@ -258,13 +240,16 @@ ft_putchar(']');
 	color_b = get_primary_color('b', percent);
 	color = (color_r << 16) + (color_g << 8) + color_b;
 
-/*
-ft_putchar('[');
-ft_putnbr(percent);
-ft_putchar(',');
-ft_putnbrbase(color, "0123456789abcdef");
-ft_putchar(']');
-*/
+	/*
+if (ft_abs(percent) > 100)
+{
+	ft_putchar('[');
+	ft_putnbr(percent);
+	ft_putchar(',');
+	ft_putnbrbase(color, "0123456789abcdef");
+	ft_putchar(']');
+}
+	*/
 
 /*
 01 10 01 01

srcs/modifs.c

@@ -24,7 +24,7 @@ int	*new_coordinates(t_fdf *fdf, int i, int j)
 	int height;
 	int	*point;
 
-	point = ft_calloc(3, sizeof(int));
+	point = ft_calloc(4, sizeof(int));
 	x = i * (fdf->offset + fdf->zoom);
 	y = j * (fdf->offset + fdf->zoom);
 	x -= (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
@@ -45,6 +45,7 @@ int	*new_coordinates(t_fdf *fdf, int i, int j)
 	point[0] += (fdf->map_size_x + fdf->zoom * fdf->map_width) / 2;
 	point[1] += (fdf->map_size_y + fdf->zoom * fdf->map_height) / 2;
 	point[2] = z;
+	point[3] = fdf->map[j][i];
 	return (point);
 }