davidovski/rectangles
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Add rectangle types

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davidovski 2023-04-22 01:08:46 +01:00
parent 25bd584beb
commit 544233d632
1 changed files with 30 additions and 4 deletions
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34
rectangles.c
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@ -12,10 +12,17 @@
#define GRID_H (int) (SCREEN_W / TILESIZE);
#define GRID_W (int) (SCREEN_H / TILESIZE);
const Rectangle EMPTY_RECT = (Rectangle) {0, 0, 0, 0};
Rectangle rectangles[RECT_COUNT];
Rectangle RECTANGLE_TYPES[] = {
(Rectangle){0, 0, 0, 0},
(Rectangle){0, 0, TILESIZE, TILESIZE},
(Rectangle){0, 0, TILESIZE/2.0, TILESIZE},
(Rectangle){0, 0, TILESIZE, TILESIZE/2.0},
(Rectangle){TILESIZE/2.0, 0, TILESIZE/2.0, TILESIZE},
(Rectangle){0, TILESIZE/2.0, TILESIZE, TILESIZE/2.0},
};
void draw_grid() {
// vertical lines
for (int x = 0; x < SCREEN_W; x += TILESIZE) {
@ -31,7 +38,20 @@ int rect_valid(Rectangle rect) {
return rect.width || rect.height;
}
int rect_type(Rectangle rect) {
if (!rect_valid(rect))
return 0;
if (rect.width == TILESIZE / 2.0) {
return (int) rect.x % TILESIZE == 0 ? 2 : 4;
}
if (rect.height == TILESIZE / 2.0) {
return (int) rect.y % TILESIZE == 0 ? 3 : 5;
}
return 1;
}
int rects_touch_y(Rectangle rect_a, Rectangle rect_b) {
return rect_a.x == rect_b.x && rect_a.width == rect_b.width &&
@ -131,11 +151,17 @@ int draw(int *mode) {
Rectangle rectangle = (Rectangle){gridx * TILESIZE, gridy * TILESIZE, TILESIZE, TILESIZE};
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
*mode = !rect_valid(rectangles[rect_index]);
*mode = (rect_type(rectangles[rect_index]) + 1)
% (sizeof(RECTANGLE_TYPES)/sizeof(Rectangle));
}
printf("mode is [%d]\n", *mode);
if (IsMouseButtonDown(MOUSE_BUTTON_LEFT)) {
rectangles[rect_index] = *mode ? rectangle : EMPTY_RECT;
Rectangle rectangle = RECTANGLE_TYPES[*mode];
rectangle.x += gridx * TILESIZE;
rectangle.y += gridy * TILESIZE;
rectangles[rect_index] = rectangle;
}
EndDrawing();