Mercurial > public > algo-animator
changeset 5:6be2faa7ed6e
rectangles with variable height
| author | Dennis C. M. <dennis@denniscm.com> |
|---|---|
| date | Tue, 13 Jun 2023 17:23:52 +0100 |
| parents | 035d3880da04 |
| children | 40a8bdbe2005 |
| files | main.c utils.c utils.h |
| diffstat | 3 files changed, 25 insertions(+), 9 deletions(-) [+] |
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--- a/main.c Mon Jun 12 23:10:08 2023 +0100 +++ b/main.c Tue Jun 13 17:23:52 2023 +0100 @@ -1,4 +1,8 @@ #include "utils.h" +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <time.h> #define HEIGHT 1080 @@ -30,14 +34,21 @@ float x = 1; float rect_width = 5.0; float space = 5.0; + + // Compute max number of rectangles to fit the windows int max_rects = floor((WIDTH - rect_width) / (rect_width + space)) + x; + // Initialize empty array with same of `max_rects` + int *unsorted_array = (int*)malloc(max_rects * sizeof(int)); + int rect_counter = 0; while (rect_counter < max_rects) { - glVertex2f(x, 100.0); - glVertex2f(x + rect_width, 100.0); - glVertex2f(x + rect_width, HEIGHT - 300); - glVertex2d(x, HEIGHT - 300); + int height = random_int(100, HEIGHT - 100); + + glVertex2f(x, HEIGHT - 100); + glVertex2f(x + rect_width, HEIGHT - 100); + glVertex2f(x + rect_width, height); + glVertex2d(x, height); x += rect_width + space; rect_counter++; @@ -47,7 +58,7 @@ char text[256]; sprintf(text, "Number of elements: %i", rect_counter); - render_text(text, 20.0, HEIGHT - 200); + render_text(text, 20.0, HEIGHT - 50); glFlush(); }
--- a/utils.c Mon Jun 12 23:10:08 2023 +0100 +++ b/utils.c Tue Jun 13 17:23:52 2023 +0100 @@ -8,3 +8,8 @@ glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_24, *c); } } + + +int random_int(int min, int max) { + return rand() % ((max - min) + 1) + min; +}
--- a/utils.h Mon Jun 12 23:10:08 2023 +0100 +++ b/utils.h Tue Jun 13 17:23:52 2023 +0100 @@ -1,11 +1,11 @@ #ifndef UTILS_H #define UTILS_H -#include <stdio.h> + #include <GL/glut.h> -#include <math.h> + +void render_text(const char *text, float x, float y); +int random_int(int min, int max); -void render_text(const char *text, float x, float y); - #endif