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color scheme almost there

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This commit is contained in:
asus
2024-01-10 17:13:28 +01:00
parent b2196a112e
commit 79fd1f5212
10 changed files with 131 additions and 18 deletions
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2
README.md
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@@ -8,7 +8,5 @@ quick description
### ressources
- minilibx : https://harm-smits.github.io/42docs/libs/minilibx
- draw a line : https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm
- [Learn Markdown](https://bitbucket.org/tutorials/markdowndemo)

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builds/draw_bonus.o
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builds/fdf.o
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builds/keypress_bonus.o
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builds/modifs.o
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builds/parse.o
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fdf
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3
includes/fdf.h
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@@ -74,7 +74,8 @@ int **parse_map(t_fdf *fdf, int fd);
# define Z_HEIGHT 10
// color for altitude
# define Z_COLOR 0xffffff;
# define COLOR_START 0xffffff
# define COLOR_END 0x00d700
# define ESCAPE 65307
# define UP 65362

12
maps/pyramide.fdf
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@@ -14,12 +14,12 @@
0 0 0 0 0 1 2 3 4 5 5 5 5 5 5 5 5 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 6 6 6 6 6 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 7 7 7 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 8,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 8,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 8,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 8,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 9,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8,0xFFFFFF 8,0xFFFFFF 8,0xFFFFFF 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 8 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 8 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 8 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 8 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 9 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 8 8 8 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 7 7 7 7 7 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 6 6 6 6 6 6 6 5 4 3 2 1 0 0 0 0 0
0 0 0 0 0 1 2 3 4 5 5 5 5 5 5 5 5 5 4 3 2 1 0 0 0 0 0

130
srcs/draw_bonus.c
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@@ -39,27 +39,108 @@ void draw_grid(t_fdf *fdf, int i, int j)
draw_lines(fdf, point_start, point_end);
free(point_start);
free(point_end);
ft_putchar_fd('\n',1);
}
// return the position of the point X
// in percentage of the total height of the map :
// z_min---start---point---end----z_max
// 0%--------s%-----P-------e%-----100%
// line: -------------
// ex. . . . . . ---e
// --- .
// px. . . -p- .
// ---. .
// s-- . .
// py ey
// return value is 0 <= X <= 100
// - z_total : z_max - z_min
// - start : start
// - line : end - start
// - p_numerator : px + py
// - p_denominator : ex + ey
int color_percent(t_fdf *fdf, int *p_start, int *p_end, int p_numerator, int p_denominator) {
int z_total;
int start;
int line;
int percent;
z_total = fdf->z_amplitude;
line = ft_abs(p_end[2] - p_start[2]);
line *= 100;
if (p_start[2] < p_end[2])
{
start = p_start[2] - fdf->min_z;
start *= 100;
}
else
{
start = p_end[2] - fdf->min_z;
start *= 100;
p_numerator = p_denominator - p_numerator;
}
percent = (start + line * p_numerator / p_denominator) / z_total;
/*
if (percent > 100)
{
ft_putchar_fd('[',1);
ft_putnbr_fd(z_total,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(start,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(line,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(p_numerator,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(p_denominator,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(percent,1);
ft_putchar_fd(']',1);
}
*/
/*
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]
percent = (start + line * p_numerator / p_denominator) / z_total;
*/
return (percent);
}
void draw_lines(t_fdf *fdf, int *start, int *end)
{
int dx;
int dy;
int z;
int i;
int j;
int z;
if (end)
{
dx = end[0] - start[0];
dy = end[1] - start[1];
/*
ft_putchar_fd('(',1);
ft_putnbr_fd(start[2],1);
ft_putchar_fd(',',1);
ft_putnbr_fd(end[2],1);
ft_putchar_fd(',',1);
ft_putnbr_fd(fdf->min_z,1);
ft_putchar_fd(',',1);
ft_putnbr_fd(fdf->max_z,1);
ft_putchar_fd(')',1);
*/
i = 0;
j = 0;
z = start[2];
while (ft_abs(i) <= ft_abs(dx) && ft_abs(j) <= ft_abs(dy))
{
if ((dx + dy) && (i + j))
z = start[2] + (end[2] - start[2]) * (i + j) / (dx + dy);
z = color_percent(fdf, start, end, ft_abs(i) + ft_abs(j), ft_abs(dx) + ft_abs(dy));
draw_color_pixel(fdf, start[0] + i, start[1] + j, z);
if (!ft_abs(dx) || ft_abs(j) < ft_abs(i * dy / dx))
j += ft_sign(dy);
@@ -72,21 +153,54 @@ void draw_lines(t_fdf *fdf, int *start, int *end)
void draw_color_pixel(t_fdf *fdf, int new_x, int new_y, int z)
{
int color;
color = COLOR_START;
/*
int color_start;
int color_end;
color_start = COLOR_START;
color_end = COLOR_END;
int color_r;
int color_g;
int color_b;
*/
color = color ^ (((0xff / fdf->z_amplitude) * (z - fdf->min_z)) << 16);
color = color ^ (((0xff / fdf->z_amplitude) * (z - fdf->min_z)) << 8);
color = color ^ (((0xff / fdf->z_amplitude) * (z - fdf->min_z)) << 0);
/*
int color;
color = COLOR_START;
z -= (z * fdf->zoom) / fdf->offset;
z /= fdf->altitude;
if (z > fdf->min_z && fdf->z_amplitude)
{
color = color ^ (((0xff / fdf->z_amplitude) * (z - fdf->min_z)) << 16);
color = color ^ (((0xff / fdf->z_amplitude) * (z - fdf->min_z)) << 0);
}
*/
/*
int color;
int height;
color = Z_COLOR;
color = COLOR_START;
height = z;
if (height != 0)
height /= fdf->altitude;
//height -= (height * fdf->zoom) / fdf->offset;
height -= height / fdf->offset;
if (height > fdf->min_z && fdf->z_amplitude)
{
color = color ^ (((0xff) * (height - fdf->min_z)) << 16);
color = color ^ (((0xff) * (height - fdf->min_z)) << 0);
//color = color ^ (((0xff / fdf->z_amplitude) * (height - fdf->min_z)) << 16);
//color = color ^ (((0xff / fdf->z_amplitude) * (height - fdf->min_z)) << 0);
// color = color ^ (((0xff / fdf->z_amplitude) * (height - fdf->min_z)) << 16);
// color = color ^ (((0xff / fdf->z_amplitude) * (height - fdf->min_z)) << 0);
}
*/
draw_pixel(fdf, new_x, new_y, color);
}