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Added new comment to examples

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This commit is contained in:
Ray 2022-06-21 19:53:18 +02:00
parent 8bd3ecaa66
commit c1b01c0d5d
119 changed files with 376 additions and 46 deletions
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23
examples/core/core_window_letterbox.c
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@ -13,21 +13,14 @@
#include "raylib.h"
#define max(a, b) ((a)>(b)? (a) : (b))
#define min(a, b) ((a)<(b)? (a) : (b))
#include "raymath.h" // Required for: Vector2Clamp()
// Clamp Vector2 value with min and max and return a new vector2
// NOTE: Required for virtual mouse, to clamp inside virtual game size
Vector2 ClampValue(Vector2 value, Vector2 min, Vector2 max)
{
Vector2 result = value;
result.x = (result.x > max.x)? max.x : result.x;
result.x = (result.x < min.x)? min.x : result.x;
result.y = (result.y > max.y)? max.y : result.y;
result.y = (result.y < min.y)? min.y : result.y;
return result;
}
#define MAX(a, b) ((a)>(b)? (a) : (b))
#define MIN(a, b) ((a)<(b)? (a) : (b))
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
const int windowWidth = 800;
@ -57,7 +50,7 @@ int main(void)
// Update
//----------------------------------------------------------------------------------
// Compute required framebuffer scaling
float scale = min((float)GetScreenWidth()/gameScreenWidth, (float)GetScreenHeight()/gameScreenHeight);
float scale = MIN((float)GetScreenWidth()/gameScreenWidth, (float)GetScreenHeight()/gameScreenHeight);
if (IsKeyPressed(KEY_SPACE))
{
@ -70,7 +63,7 @@ int main(void)
Vector2 virtualMouse = { 0 };
virtualMouse.x = (mouse.x - (GetScreenWidth() - (gameScreenWidth*scale))*0.5f)/scale;
virtualMouse.y = (mouse.y - (GetScreenHeight() - (gameScreenHeight*scale))*0.5f)/scale;
virtualMouse = ClampValue(virtualMouse, (Vector2){ 0, 0 }, (Vector2){ (float)gameScreenWidth, (float)gameScreenHeight });
virtualMouse = Vector2Clamp(virtualMouse, (Vector2){ 0, 0 }, (Vector2){ (float)gameScreenWidth, (float)gameScreenHeight });
// Apply the same transformation as the virtual mouse to the real mouse (i.e. to work with raygui)
//SetMouseOffset(-(GetScreenWidth() - (gameScreenWidth*scale))*0.5f, -(GetScreenHeight() - (gameScreenHeight*scale))*0.5f);