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Review BeginTextureMode() usage

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Moved outside BeginDrawing()/EndDrawing() to illustrate drawing is happening to an external texture (not screen)
This commit is contained in:
Ray 2021-06-23 01:25:09 +02:00
parent f989048bda
commit 716e26aa37
8 changed files with 113 additions and 143 deletions
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22
examples/core/core_split_screen.c
View file

@ -89,7 +89,7 @@ int main(void)
// this moves thigns at 10 world units per second, regardless of the actual FPS
float offsetThisFrame = 10.0f*GetFrameTime();
// Move player 1 forward and backwards (no turning)
// Move Player1 forward and backwards (no turning)
if (IsKeyDown(KEY_W))
{
cameraPlayer1.position.z += offsetThisFrame;
@ -101,7 +101,7 @@ int main(void)
cameraPlayer1.target.z -= offsetThisFrame;
}
// Move player 2 forward and backwards (no turning)
// Move Player2 forward and backwards (no turning)
if (IsKeyDown(KEY_UP))
{
cameraPlayer2.position.x += offsetThisFrame;
@ -116,7 +116,7 @@ int main(void)
// Draw
//----------------------------------------------------------------------------------
// Draw player 1's view to the render texture
// Draw Player1 view to the render texture
BeginTextureMode(screenPlayer1);
ClearBackground(SKYBLUE);
BeginMode3D(cameraPlayer1);
@ -125,7 +125,7 @@ int main(void)
DrawText("PLAYER1 W/S to move", 0, 0, 20, RED);
EndTextureMode();
// Draw player 2's view to the render texture
// Draw Player2 view to the render texture
BeginTextureMode(screenPlayer2);
ClearBackground(SKYBLUE);
BeginMode3D(cameraPlayer2);
@ -134,21 +134,21 @@ int main(void)
DrawText("PLAYER2 UP/DOWN to move", 0, 0, 20, BLUE);
EndTextureMode();
// Draw both view render textures to the screen side by side
// Draw both views render textures to the screen side by side
BeginDrawing();
ClearBackground(BLACK);
DrawTextureRec(screenPlayer1.texture, splitScreenRect, (Vector2) { 0, 0 }, WHITE);
DrawTextureRec(screenPlayer2.texture, splitScreenRect, (Vector2) { screenWidth/2.0f, 0 }, WHITE);
DrawTextureRec(screenPlayer1.texture, splitScreenRect, (Vector2){ 0, 0 }, WHITE);
DrawTextureRec(screenPlayer2.texture, splitScreenRect, (Vector2){ screenWidth/2.0f, 0 }, WHITE);
EndDrawing();
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadRenderTexture(screenPlayer1);
UnloadRenderTexture(screenPlayer2);
UnloadTexture(textureGrid);
UnloadRenderTexture(screenPlayer1); // Unload render texture
UnloadRenderTexture(screenPlayer2); // Unload render texture
UnloadTexture(textureGrid); // Unload texture
CloseWindow(); // Close window and OpenGL context
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;

28
examples/core/core_vr_simulator.c
View file

@ -105,30 +105,26 @@ int main(void)
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
BeginTextureMode(target);
ClearBackground(RAYWHITE);
BeginVrStereoMode(config);
BeginMode3D(camera);
BeginTextureMode(target);
ClearBackground(RAYWHITE);
BeginVrStereoMode(config);
BeginMode3D(camera);
DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
DrawGrid(40, 1.0f);
EndMode3D();
EndVrStereoMode();
EndTextureMode();
DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
DrawGrid(40, 1.0f);
EndMode3D();
EndVrStereoMode();
EndTextureMode();
BeginDrawing();
ClearBackground(RAYWHITE);
BeginShaderMode(distortion);
DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)target.texture.width,
(float)-target.texture.height }, (Vector2){ 0.0f, 0.0f }, WHITE);
EndShaderMode();
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}

38
examples/core/core_window_letterbox.c
View file

@ -48,11 +48,11 @@ int main(void)
Color colors[10] = { 0 };
for (int i = 0; i < 10; i++) colors[i] = (Color){ GetRandomValue(100, 250), GetRandomValue(50, 150), GetRandomValue(10, 100), 255 };
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
@ -79,37 +79,33 @@ int main(void)
// Draw
//----------------------------------------------------------------------------------
// Draw everything in the render texture, note this will not be rendered on screen, yet
BeginTextureMode(target);
ClearBackground(RAYWHITE); // Clear render texture background color
for (int i = 0; i < 10; i++) DrawRectangle(0, (gameScreenHeight/10)*i, gameScreenWidth, gameScreenHeight/10, colors[i]);
DrawText("If executed inside a window,\nyou can resize the window,\nand see the screen scaling!", 10, 25, 20, WHITE);
DrawText(TextFormat("Default Mouse: [%i , %i]", (int)mouse.x, (int)mouse.y), 350, 25, 20, GREEN);
DrawText(TextFormat("Virtual Mouse: [%i , %i]", (int)virtualMouse.x, (int)virtualMouse.y), 350, 55, 20, YELLOW);
EndTextureMode();
BeginDrawing();
ClearBackground(BLACK);
ClearBackground(BLACK); // Clear screen background
// Draw everything in the render texture, note this will not be rendered on screen, yet
BeginTextureMode(target);
ClearBackground(RAYWHITE); // Clear render texture background color
for (int i = 0; i < 10; i++) DrawRectangle(0, (gameScreenHeight/10)*i, gameScreenWidth, gameScreenHeight/10, colors[i]);
DrawText("If executed inside a window,\nyou can resize the window,\nand see the screen scaling!", 10, 25, 20, WHITE);
DrawText(TextFormat("Default Mouse: [%i , %i]", (int)mouse.x, (int)mouse.y), 350, 25, 20, GREEN);
DrawText(TextFormat("Virtual Mouse: [%i , %i]", (int)virtualMouse.x, (int)virtualMouse.y), 350, 55, 20, YELLOW);
EndTextureMode();
// Draw RenderTexture2D to window, properly scaled
// Draw render texture to screen, properly scaled
DrawTexturePro(target.texture, (Rectangle){ 0.0f, 0.0f, (float)target.texture.width, (float)-target.texture.height },
(Rectangle){ (GetScreenWidth() - ((float)gameScreenWidth*scale))*0.5f, (GetScreenHeight() - ((float)gameScreenHeight*scale))*0.5f,
(float)gameScreenWidth*scale, (float)gameScreenHeight*scale }, (Vector2){ 0, 0 }, 0.0f, WHITE);
EndDrawing();
//--------------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadRenderTexture(target); // Unload render texture
UnloadRenderTexture(target); // Unload render texture
CloseWindow(); // Close window and OpenGL context
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;