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Update backdrop.c

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This commit is contained in:
Jason Bou-Samra
2024-08-17 19:59:33 +10:00
committed by GitHub
parent b05d3e1389
commit 802dd23c75
1 changed files with 21 additions and 7 deletions
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src/backdrop.c
+21 -7
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@@ -1,5 +1,9 @@
#include <SDL2/SDL.h>
#include <stdbool.h>
extern SDL_Renderer *sr;
extern bool gradient_d;
enum gradient {Blue = 0, Green = 10, Red = 20, Yellow = 30, Magenta = 40, Cyan = 50, Grey = 60} colour = 0;
////////////////// BOARD BACKDROP COLOURS //////////////////
@@ -16,17 +20,27 @@ int grad_tab[] = {
};
k = 0; // gradient fill
for (int j = 0; j < 10; j++) {
SDL_SetRenderDrawColor (sr, (grad_tab[j + colour] & 0x00ff0000) >> 16, (grad_tab[j + colour] & 0x0000ff00) >> 8, grad_tab[j + colour] & 0x000000ff, 255);
for (int i = 0; i < 20; i++) {
SDL_RenderDrawLine (sr, 0, k, 319, k);
k = k + 1;
if (gradient_d == false) {
for (int j = 0; j < 10; j++) {
SDL_SetRenderDrawColor (sr, (grad_tab[j + colour] & 0x00ff0000) >> 16, (grad_tab[j + colour] & 0x0000ff00) >> 8, grad_tab[j + colour] & 0x000000ff, 255);
for (int i = 0; i < 20; i++) {
SDL_RenderDrawLine (sr, 0, k, 319, k);
k = k + 1;
}
}
} else { // invert gradient
for (int j = 9; j > -1; j--) {
SDL_SetRenderDrawColor (sr, (grad_tab[j + colour] & 0x00ff0000) >> 16, (grad_tab[j + colour] & 0x0000ff00) >> 8, grad_tab[j + colour] & 0x000000ff, 255);
for (int i = 0; i < 20; i++) {
SDL_RenderDrawLine (sr, 0, k, 319, k);
k = k + 1;
}
}
}
k = 0; // horizontal edge light
SDL_SetRenderDrawColor (sr, 0x99, 0x99, 0x99, 255);
for (int i = 0; i < 16; i++) {
SDL_SetRenderDrawColor (sr, 0x99, 0x99, 0x99, 255);
for (int i = 0; i < 16; i++) {
SDL_RenderDrawLine (sr, k, 0, k, 199);
k = k + 20;
}