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Reviewed examples for consistency

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Ray 2023-09-08 13:27:13 +02:00
parent 2d5d0c2999
commit 1896268775
17 changed files with 481 additions and 229 deletions
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167
examples/core/core_2d_camera_split_screen.c Normal file
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@ -0,0 +1,167 @@
/*******************************************************************************************
*
* raylib [core] example - 2d camera split screen
*
* Addapted from the core_3d_camera_split_screen example:
* https://github.com/raysan5/raylib/blob/master/examples/core/core_3d_camera_split_screen.c
*
* Example originally created with raylib 4.5, last time updated with raylib 4.5
*
* Example contributed by Gabriel dos Santos Sanches (@gabrielssanches) and reviewed by Ramon Santamaria (@raysan5)
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2023 Gabriel dos Santos Sanches (@gabrielssanches)
*
********************************************************************************************/
#include "raylib.h"
#define PLAYER_SIZE 40
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 440;
InitWindow(screenWidth, screenHeight, "raylib [core] example - 2d camera split screen");
Rectangle player1 = { 200, 200, PLAYER_SIZE, PLAYER_SIZE };
Rectangle player2 = { 250, 200, PLAYER_SIZE, PLAYER_SIZE };
Camera2D camera1 = { 0 };
camera1.target = (Vector2){ player1.x, player1.y };
camera1.offset = (Vector2){ 200.0f, 200.0f };
camera1.rotation = 0.0f;
camera1.zoom = 1.0f;
Camera2D camera2 = { 0 };
camera2.target = (Vector2){ player2.x, player2.y };
camera2.offset = (Vector2){ 200.0f, 200.0f };
camera2.rotation = 0.0f;
camera2.zoom = 1.0f;
RenderTexture screenCamera1 = LoadRenderTexture(screenWidth/2, screenHeight);
RenderTexture screenCamera2 = LoadRenderTexture(screenWidth/2, screenHeight);
// Build a flipped rectangle the size of the split view to use for drawing later
Rectangle splitScreenRect = { 0.0f, 0.0f, (float)screenCamera1.texture.width, (float)-screenCamera1.texture.height };
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_S)) player1.y += 3.0f;
else if (IsKeyDown(KEY_W)) player1.y -= 3.0f;
if (IsKeyDown(KEY_D)) player1.x += 3.0f;
else if (IsKeyDown(KEY_A)) player1.x -= 3.0f;
if (IsKeyDown(KEY_UP)) player2.y -= 3.0f;
else if (IsKeyDown(KEY_DOWN)) player2.y += 3.0f;
if (IsKeyDown(KEY_RIGHT)) player2.x += 3.0f;
else if (IsKeyDown(KEY_LEFT)) player2.x -= 3.0f;
camera1.target = (Vector2){ player1.x, player1.y };
camera2.target = (Vector2){ player2.x, player2.y };
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginTextureMode(screenCamera1);
ClearBackground(RAYWHITE);
BeginMode2D(camera1);
// Draw full scene with first camera
for (int i = 0; i < screenWidth/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){PLAYER_SIZE*i, 0}, (Vector2){PLAYER_SIZE*i, screenHeight}, LIGHTGRAY);
}
for (int i = 0; i < screenHeight/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){0, PLAYER_SIZE*i}, (Vector2){screenWidth, PLAYER_SIZE*i}, LIGHTGRAY);
}
for (int i = 0; i < screenWidth/PLAYER_SIZE; i++)
{
for (int j = 0; j < screenHeight/PLAYER_SIZE; j++)
{
DrawText(TextFormat("[%i,%i]", i, j), 10 + PLAYER_SIZE*i, 15 + PLAYER_SIZE*j, 10, LIGHTGRAY);
}
}
DrawRectangleRec(player1, RED);
DrawRectangleRec(player2, BLUE);
EndMode2D();
DrawRectangle(0, 0, GetScreenWidth()/2, 30, Fade(RAYWHITE, 0.6f));
DrawText("PLAYER1: W/S/A/D to move", 10, 10, 10, MAROON);
EndTextureMode();
BeginTextureMode(screenCamera2);
ClearBackground(RAYWHITE);
BeginMode2D(camera2);
// Draw full scene with second camera
for (int i = 0; i < screenWidth/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){PLAYER_SIZE*i, 0}, (Vector2){PLAYER_SIZE*i, screenHeight}, LIGHTGRAY);
}
for (int i = 0; i < screenHeight/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){0, PLAYER_SIZE*i}, (Vector2){screenWidth, PLAYER_SIZE*i}, LIGHTGRAY);
}
for (int i = 0; i < screenWidth/PLAYER_SIZE; i++)
{
for (int j = 0; j < screenHeight/PLAYER_SIZE; j++)
{
DrawText(TextFormat("[%i,%i]", i, j), 10 + PLAYER_SIZE*i, 15 + PLAYER_SIZE*j, 10, LIGHTGRAY);
}
}
DrawRectangleRec(player1, RED);
DrawRectangleRec(player2, BLUE);
EndMode2D();
DrawRectangle(0, 0, GetScreenWidth()/2, 30, Fade(RAYWHITE, 0.6f));
DrawText("PLAYER2: UP/DOWN/LEFT/RIGHT to move", 10, 10, 10, DARKBLUE);
EndTextureMode();
// Draw both views render textures to the screen side by side
BeginDrawing();
ClearBackground(BLACK);
DrawTextureRec(screenCamera1.texture, splitScreenRect, (Vector2){ 0, 0 }, WHITE);
DrawTextureRec(screenCamera2.texture, splitScreenRect, (Vector2){ screenWidth/2.0f, 0 }, WHITE);
DrawRectangle(GetScreenWidth()/2 - 2, 0, 4, GetScreenHeight(), LIGHTGRAY);
EndDrawing();
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadRenderTexture(screenCamera1); // Unload render texture
UnloadRenderTexture(screenCamera2); // Unload render texture
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}

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2
examples/core/core_3d_camera_free.c
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@ -72,7 +72,7 @@ int main(void)
DrawText("- Mouse Wheel to Zoom in-out", 40, 40, 10, DARKGRAY);
DrawText("- Mouse Wheel Pressed to Pan", 40, 60, 10, DARKGRAY);
DrawText("- Alt + Mouse Wheel Pressed to Rotate", 40, 80, 10, DARKGRAY);
DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, DARKGRAY);
//DrawText("- Alt + Ctrl + Mouse Wheel Pressed for Smooth Zoom", 40, 100, 10, DARKGRAY);
DrawText("- Z to zoom to (0, 0, 0)", 40, 120, 10, DARKGRAY);
EndDrawing();

87
examples/core/core_split_screen.c → examples/core/core_3d_camera_split_screen.c
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@ -1,6 +1,6 @@
/*******************************************************************************************
*
* raylib [core] example - split screen
* raylib [core] example - 3d cmaera split screen
*
* Example originally created with raylib 3.7, last time updated with raylib 4.0
*
@ -15,32 +15,6 @@
#include "raylib.h"
Camera cameraPlayer1 = { 0 };
Camera cameraPlayer2 = { 0 };
// Scene drawing
void DrawScene(void)
{
int count = 5;
float spacing = 4;
// Grid of cube trees on a plane to make a "world"
DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // Simple world plane
for (float x = -count*spacing; x <= count*spacing; x += spacing)
{
for (float z = -count*spacing; z <= count*spacing; z += spacing)
{
DrawCube((Vector3) { x, 1.5f, z }, 1, 1, 1, LIME);
DrawCube((Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
}
}
// Draw a cube at each player's position
DrawCube(cameraPlayer1.position, 1, 1, 1, RED);
DrawCube(cameraPlayer2.position, 1, 1, 1, BLUE);
}
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
@ -51,9 +25,10 @@ int main(void)
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - split screen");
InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera split screen");
// Setup player 1 camera and screen
Camera cameraPlayer1 = { 0 };
cameraPlayer1.fovy = 45.0f;
cameraPlayer1.up.y = 1.0f;
cameraPlayer1.target.y = 1.0f;
@ -63,6 +38,7 @@ int main(void)
RenderTexture screenPlayer1 = LoadRenderTexture(screenWidth/2, screenHeight);
// Setup player two camera and screen
Camera cameraPlayer2 = { 0 };
cameraPlayer2.fovy = 45.0f;
cameraPlayer2.up.y = 1.0f;
cameraPlayer2.target.y = 3.0f;
@ -73,6 +49,10 @@ int main(void)
// Build a flipped rectangle the size of the split view to use for drawing later
Rectangle splitScreenRect = { 0.0f, 0.0f, (float)screenPlayer1.texture.width, (float)-screenPlayer1.texture.height };
// Grid data
int count = 5;
float spacing = 4;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -116,26 +96,69 @@ int main(void)
// Draw Player1 view to the render texture
BeginTextureMode(screenPlayer1);
ClearBackground(SKYBLUE);
BeginMode3D(cameraPlayer1);
DrawScene();
// Draw scene: grid of cube trees on a plane to make a "world"
DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // Simple world plane
for (float x = -count*spacing; x <= count*spacing; x += spacing)
{
for (float z = -count*spacing; z <= count*spacing; z += spacing)
{
DrawCube((Vector3) { x, 1.5f, z }, 1, 1, 1, LIME);
DrawCube((Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
}
}
// Draw a cube at each player's position
DrawCube(cameraPlayer1.position, 1, 1, 1, RED);
DrawCube(cameraPlayer2.position, 1, 1, 1, BLUE);
EndMode3D();
DrawText("PLAYER1 W/S to move", 10, 10, 20, RED);
DrawRectangle(0, 0, GetScreenWidth()/2, 40, Fade(RAYWHITE, 0.8f));
DrawText("PLAYER1: W/S to move", 10, 10, 20, MAROON);
EndTextureMode();
// Draw Player2 view to the render texture
BeginTextureMode(screenPlayer2);
ClearBackground(SKYBLUE);
BeginMode3D(cameraPlayer2);
DrawScene();
// Draw scene: grid of cube trees on a plane to make a "world"
DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // Simple world plane
for (float x = -count*spacing; x <= count*spacing; x += spacing)
{
for (float z = -count*spacing; z <= count*spacing; z += spacing)
{
DrawCube((Vector3) { x, 1.5f, z }, 1, 1, 1, LIME);
DrawCube((Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
}
}
// Draw a cube at each player's position
DrawCube(cameraPlayer1.position, 1, 1, 1, RED);
DrawCube(cameraPlayer2.position, 1, 1, 1, BLUE);
EndMode3D();
DrawText("PLAYER2 UP/DOWN to move", 10, 10, 20, BLUE);
DrawRectangle(0, 0, GetScreenWidth()/2, 40, Fade(RAYWHITE, 0.8f));
DrawText("PLAYER2: UP/DOWN to move", 10, 10, 20, DARKBLUE);
EndTextureMode();
// 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);
DrawRectangle(GetScreenWidth()/2 - 2, 0, 4, GetScreenHeight(), LIGHTGRAY);
EndDrawing();
}

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137
examples/core/core_camera_2d_split_screen.c
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@ -1,137 +0,0 @@
/*******************************************************************************************
*
* raylib [core] example - split screen
*
* Addapted from the Split Screen example (https://github.com/raysan5/raylib/blob/master/examples/core/core_split_screen.c)
*
* Example originally created with raylib 4.5, last time updated with raylib 4.5
*
* Example contributed by Jeffery Myers (@JeffM2501) and reviewed by Ramon Santamaria (@raysan5)
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2021-2023 Jeffery Myers (@JeffM2501)
*
********************************************************************************************/
#include "raylib.h"
#include <stdio.h>
#define PLAYER_SIZE 40
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 440;
InitWindow(screenWidth, screenHeight, "raylib [core] example - camera 2D split screen");
Rectangle player1 = { 200, 200, PLAYER_SIZE, PLAYER_SIZE };
Rectangle player2 = { 250, 200, PLAYER_SIZE, PLAYER_SIZE };
Camera2D camera1 = { 0 };
camera1.target = (Vector2){ player1.x, player1.y };
camera1.offset = (Vector2){ 200.0f, 200.0f };
camera1.rotation = 0.0f;
camera1.zoom = 1.0f;
Camera2D camera2 = { 0 };
camera2.target = (Vector2){ player2.x, player2.y };
camera2.offset = (Vector2){ 200.0f, 200.0f };
camera2.rotation = 0.0f;
camera2.zoom = 1.0f;
RenderTexture screenCamera1 = LoadRenderTexture(screenWidth / 2, screenHeight);
RenderTexture screenCamera2 = LoadRenderTexture(screenWidth / 2, screenHeight);
// Build a flipped rectangle the size of the split view to use for drawing later
Rectangle splitScreenRect = { 0.0f, 0.0f, (float)screenCamera1.texture.width, (float)-screenCamera1.texture.height };
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
void DrawScene(void) {
for (int i = 0; i < screenWidth/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){PLAYER_SIZE*i, 0}, (Vector2){PLAYER_SIZE*i, screenHeight}, LIGHTGRAY);
}
for (int i = 0; i < screenHeight/PLAYER_SIZE + 1; i++)
{
DrawLineV((Vector2){0, PLAYER_SIZE*i}, (Vector2){screenWidth, PLAYER_SIZE*i}, LIGHTGRAY);
}
for (int i = 0; i < screenWidth/PLAYER_SIZE; i++)
{
for (int j = 0; j < screenHeight/PLAYER_SIZE; j++)
{
char coordinate_str[8];
snprintf(coordinate_str, sizeof(coordinate_str), "%d,%d", i, j);
DrawText(coordinate_str, 10 + PLAYER_SIZE*i, 10 + PLAYER_SIZE*j, 10, LIGHTGRAY);
}
}
DrawRectangleRec(player1, RED);
DrawRectangleRec(player2, BLUE);
}
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_S)) player1.y += 3;
else if (IsKeyDown(KEY_W)) player1.y -= 3;
if (IsKeyDown(KEY_D)) player1.x += 3;
else if (IsKeyDown(KEY_A)) player1.x -= 3;
if (IsKeyDown(KEY_UP)) player2.y += 3;
else if (IsKeyDown(KEY_DOWN)) player2.y -= 3;
if (IsKeyDown(KEY_RIGHT)) player2.x += 3;
else if (IsKeyDown(KEY_LEFT)) player2.x -= 3;
camera1.target = (Vector2){ player1.x, player1.y };
camera2.target = (Vector2){ player2.x, player2.y };
// Draw
//----------------------------------------------------------------------------------
BeginTextureMode(screenCamera1);
ClearBackground(RAYWHITE);
BeginMode2D(camera1);
DrawScene();
EndMode2D();
DrawText("PLAYER1 W/S/A/D to move", 10, 10, 15, RED);
EndTextureMode();
BeginTextureMode(screenCamera2);
ClearBackground(RAYWHITE);
BeginMode2D(camera2);
DrawScene();
EndMode2D();
DrawText("PLAYER2 UP/DOWN/LEFT/RIGHT to move", 10, 10, 15, BLUE);
EndTextureMode();
// Draw both views render textures to the screen side by side
BeginDrawing();
ClearBackground(BLACK);
DrawTextureRec(screenCamera1.texture, splitScreenRect, (Vector2){ 0, 0 }, WHITE);
DrawTextureRec(screenCamera2.texture, splitScreenRect, (Vector2){ screenWidth/2.0f, 0 }, WHITE);
EndDrawing();
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadRenderTexture(screenCamera1); // Unload render texture
UnloadRenderTexture(screenCamera2); // Unload render texture
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}

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