[examples] resize fixes

examples/models/models_animation.c

@@ -94,7 +94,7 @@ int main(void)
             EndMode3D();
 
             DrawText("PRESS SPACE to PLAY MODEL ANIMATION", 10, 10, 20, MAROON);
-            DrawText("(c) Guy IQM 3D model by @culacant", screenWidth - 200, screenHeight - 20, 10, GRAY);
+            DrawText("(c) Guy IQM 3D model by @culacant", GetScreenWidth() - 200, GetScreenHeight() - 20, 10, GRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------

examples/models/models_box_collisions.c

@@ -111,7 +111,7 @@ int main(void)
 
             EndMode3D();
 
-            DrawText("Move player with arrow keys to collide", 220, 40, 20, GRAY);
+            DrawText("Move player with arrow keys to collide", GetScreenWidth()/2 - 220, 40, 20, GRAY);
 
             DrawFPS(10, 10);
 
@@ -125,4 +125,4 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
-}
+}

examples/models/models_heightmap.c

@@ -71,8 +71,8 @@ int main(void)
 
             EndMode3D();
 
-            DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE);
-            DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN);
+            DrawTexture(texture, GetScreenWidth() - texture.width - 20, 20, WHITE);
+            DrawRectangleLines(GetScreenWidth() - texture.width - 20, 20, texture.width, texture.height, GREEN);
 
             DrawFPS(10, 10);
 
@@ -89,4 +89,4 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
-}
+}

examples/models/models_loading.c

@@ -135,7 +135,7 @@ int main(void)
             DrawText("Drag & drop model to load mesh/texture.", 10, GetScreenHeight() - 20, 10, DARKGRAY);
             if (selected) DrawText("MODEL SELECTED", GetScreenWidth() - 110, 10, 10, GREEN);
 
-            DrawText("(c) Castle 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+            DrawText("(c) Castle 3D model by Alberto Cano", GetScreenWidth() - 200, GetScreenHeight() - 20, 10, GRAY);
 
             DrawFPS(10, 10);
 
@@ -152,4 +152,4 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
-}
+}

examples/models/models_loading_vox.c

@@ -182,11 +182,11 @@ int main(void)
 		EndMode3D();
 
 		// Display info
-		DrawRectangle(10, 400, 340, 60, Fade(SKYBLUE, 0.5f));
-		DrawRectangleLines(10, 400, 340, 60, Fade(DARKBLUE, 0.5f));
-		DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, 410, 10, BLUE);
-		DrawText("MOUSE MIDDLE BUTTON to ZOOM OR ROTATE CAMERA", 40, 420, 10, BLUE);
-		DrawText("UP-DOWN-LEFT-RIGHT KEYS to MOVE CAMERA", 40, 430, 10, BLUE);
+		DrawRectangle(10, GetScreenHeight() - 50, 340, 60, Fade(SKYBLUE, 0.5f));
+		DrawRectangleLines(10, GetScreenHeight() - 50, 340, 60, Fade(DARKBLUE, 0.5f));
+		DrawText("MOUSE LEFT BUTTON to CYCLE VOX MODELS", 40, GetScreenHeight() - 50 + 10, 10, BLUE);
+		DrawText("MOUSE MIDDLE BUTTON to ZOOM OR ROTATE CAMERA", 40, GetScreenHeight() - 50 + 20, 10, BLUE);
+		DrawText("UP-DOWN-LEFT-RIGHT KEYS to MOVE CAMERA", 40, GetScreenHeight() - 50 + 30, 10, BLUE);
 		DrawText(TextFormat("File: %s", GetFileName(voxFileNames[currentModel])), 10, 10, 20, GRAY);
 
 		EndDrawing();

examples/models/models_mesh_generation.c

@@ -110,21 +110,21 @@ int main(void)
 
             EndMode3D();
 
-            DrawRectangle(30, 400, 310, 30, Fade(SKYBLUE, 0.5f));
-            DrawRectangleLines(30, 400, 310, 30, Fade(DARKBLUE, 0.5f));
-            DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, 410, 10, BLUE);
+            DrawRectangle(30, GetScreenHeight() - 50, 310, 30, Fade(SKYBLUE, 0.5f));
+            DrawRectangleLines(30, GetScreenHeight() - 50, 310, 30, Fade(DARKBLUE, 0.5f));
+            DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL MODELS", 40, GetScreenHeight() - 50 + 10, 10, BLUE);
 
             switch (currentModel)
             {
-                case 0: DrawText("PLANE", 680, 10, 20, DARKBLUE); break;
-                case 1: DrawText("CUBE", 680, 10, 20, DARKBLUE); break;
-                case 2: DrawText("SPHERE", 680, 10, 20, DARKBLUE); break;
-                case 3: DrawText("HEMISPHERE", 640, 10, 20, DARKBLUE); break;
-                case 4: DrawText("CYLINDER", 680, 10, 20, DARKBLUE); break;
-                case 5: DrawText("TORUS", 680, 10, 20, DARKBLUE); break;
-                case 6: DrawText("KNOT", 680, 10, 20, DARKBLUE); break;
-                case 7: DrawText("POLY", 680, 10, 20, DARKBLUE); break;
-                case 8: DrawText("Custom (triangle)", 580, 10, 20, DARKBLUE); break;
+                case 0: DrawText("PLANE", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 1: DrawText("CUBE", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 2: DrawText("SPHERE", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 3: DrawText("HEMISPHERE", GetScreenWidth() - 160, 10, 20, DARKBLUE); break;
+                case 4: DrawText("CYLINDER", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 5: DrawText("TORUS", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 6: DrawText("KNOT", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 7: DrawText("POLY", GetScreenWidth() - 120, 10, 20, DARKBLUE); break;
+                case 8: DrawText("Custom (triangle)", GetScreenWidth() - 220, 10, 20, DARKBLUE); break;
                 default: break;
             }
 

examples/models/models_mesh_picking.c

@@ -226,9 +226,9 @@ int main(void)
                     DrawText(TextFormat("Barycenter: %3.2f %3.2f %3.2f",  bary.x, bary.y, bary.z), 10, ypos + 45, 10, BLACK);
             }
 
-            DrawText("Right click mouse to toggle camera controls", 10, 430, 10, GRAY);
+            DrawText("Right click mouse to toggle camera controls", 10, GetScreenHeight() - 20, 10, GRAY);
 
-            DrawText("(c) Turret 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
+            DrawText("(c) Turret 3D model by Alberto Cano", GetScreenWidth() - 200, GetScreenHeight() - 20, 10, GRAY);
 
             DrawFPS(10, 10);
 
@@ -245,4 +245,4 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
-}
+}

examples/models/models_point_rendering.c

@@ -125,7 +125,7 @@ int main()
             EndMode3D();
 
             // Draw UI text
-            DrawText(TextFormat("Point Count: %d", numPoints), 20, screenHeight - 50, 40, WHITE);
+            DrawText(TextFormat("Point Count: %d", numPoints), 20, GetScreenHeight() - 50, 40, WHITE);
             DrawText("Up - increase points", 20, 70, 20, WHITE);
             DrawText("Down - decrease points", 20, 100, 20, WHITE);
             DrawText("Space - drawing function", 20, 130, 20, WHITE);

examples/models/models_rlgl_solar_system.c

@@ -112,7 +112,7 @@ int main(void)
 
             EndMode3D();
 
-            DrawText("EARTH ORBITING AROUND THE SUN!", 400, 10, 20, MAROON);
+            DrawText("EARTH ORBITING AROUND THE SUN!", GetScreenWidth() - 400, 10, 20, MAROON);
             DrawFPS(10, 10);
 
         EndDrawing();

examples/models/models_yaw_pitch_roll.c

@@ -101,13 +101,13 @@ int main(void)
             EndMode3D();
 
             // Draw controls info
-            DrawRectangle(30, 370, 260, 70, Fade(GREEN, 0.5f));
-            DrawRectangleLines(30, 370, 260, 70, Fade(DARKGREEN, 0.5f));
-            DrawText("Pitch controlled with: KEY_UP / KEY_DOWN", 40, 380, 10, DARKGRAY);
-            DrawText("Roll controlled with: KEY_LEFT / KEY_RIGHT", 40, 400, 10, DARKGRAY);
-            DrawText("Yaw controlled with: KEY_A / KEY_S", 40, 420, 10, DARKGRAY);
+            DrawRectangle(30, GetScreenHeight() - 80, 260, 70, Fade(GREEN, 0.5f));
+            DrawRectangleLines(30, GetScreenHeight() - 80, 260, 70, Fade(DARKGREEN, 0.5f));
+            DrawText("Pitch controlled with: KEY_UP / KEY_DOWN", 40, GetScreenHeight() - 70, 10, DARKGRAY);
+            DrawText("Roll controlled with: KEY_LEFT / KEY_RIGHT", 40, GetScreenHeight() - 50, 10, DARKGRAY);
+            DrawText("Yaw controlled with: KEY_A / KEY_S", 40, GetScreenHeight() - 30, 10, DARKGRAY);
 
-            DrawText("(c) WWI Plane Model created by GiaHanLam", screenWidth - 240, screenHeight - 20, 10, DARKGRAY);
+            DrawText("(c) WWI Plane Model created by GiaHanLam", GetScreenWidth() - 240, GetScreenHeight() - 20, 10, DARKGRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------

examples/shaders/resources/shaders/glsl100/swirl.fs

@@ -12,19 +12,15 @@ uniform vec4 colDiffuse;
 
 // NOTE: Add your custom variables here
 
-// NOTE: Render size values should be passed from code
-const float renderWidth = 800.0;
-const float renderHeight = 450.0;
-
 float radius = 250.0;
 float angle = 0.8;
 
+uniform vec2 size = { 800.0, 450.0 };
 uniform vec2 center;
 
 void main()
 {
-    vec2 texSize = vec2(renderWidth, renderHeight);
-    vec2 tc = fragTexCoord*texSize;
+    vec2 tc = fragTexCoord*size;
     tc -= center;
 
     float dist = length(tc);
@@ -40,7 +36,7 @@ void main()
     }
 
     tc += center;
-    vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;;
+    vec4 color = texture2D(texture0, tc/size)*colDiffuse*fragColor;;
 
     gl_FragColor = vec4(color.rgb, 1.0);
 }

examples/shaders/resources/shaders/glsl120/swirl.fs

@@ -10,19 +10,15 @@ uniform vec4 colDiffuse;
 
 // NOTE: Add your custom variables here
 
-// NOTE: Render size values should be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
 float radius = 250.0;
 float angle = 0.8;
 
+uniform vec2 size   = vec2(800.0, 450.0);
 uniform vec2 center;
 
 void main()
 {
-    vec2 texSize = vec2(renderWidth, renderHeight);
-    vec2 tc = fragTexCoord*texSize;
+    vec2 tc = fragTexCoord*size;
     tc -= center;
 
     float dist = length(tc);
@@ -38,7 +34,7 @@ void main()
     }
 
     tc += center;
-    vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;;
+    vec4 color = texture2D(texture0, tc/size)*colDiffuse*fragColor;;
 
     gl_FragColor = vec4(color.rgb, 1.0);;
-}
+}

examples/shaders/resources/shaders/glsl330/swirl.fs

@@ -13,19 +13,15 @@ out vec4 finalColor;
 
 // NOTE: Add your custom variables here
 
-// NOTE: Render size values should be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
 float radius = 250.0;
 float angle = 0.8;
 
+uniform vec2 size   = vec2(800.0, 450.0);
 uniform vec2 center = vec2(200.0, 200.0);
 
 void main()
 {
-    vec2 texSize = vec2(renderWidth, renderHeight);
-    vec2 tc = fragTexCoord*texSize;
+    vec2 tc = fragTexCoord*size;
     tc -= center;
 
     float dist = length(tc);
@@ -41,7 +37,7 @@ void main()
     }
 
     tc += center;
-    vec4 color = texture(texture0, tc/texSize)*colDiffuse*fragColor;;
+    vec4 color = texture(texture0, tc/size)*colDiffuse*fragColor;;
 
     finalColor = vec4(color.rgb, 1.0);;
-}
+}

examples/shaders/shaders_basic_pbr.c

@@ -263,7 +263,7 @@ int main()
 
             DrawText("Toggle lights: [1][2][3][4]", 10, 40, 20, LIGHTGRAY);
 
-            DrawText("(c) Old Rusty Car model by Renafox (https://skfb.ly/LxRy)", screenWidth - 320, screenHeight - 20, 10, LIGHTGRAY);
+            DrawText("(c) Old Rusty Car model by Renafox (https://skfb.ly/LxRy)", GetScreenWidth() - 320, GetScreenHeight() - 20, 10, LIGHTGRAY);
 
             DrawFPS(10, 10);
 

examples/shaders/shaders_custom_uniform.c

@@ -35,8 +35,10 @@ int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    const int screenWidth = 800;
-    const int screenHeight = 450;
+    int screenWidth = 800;
+    int screenHeight = 450;
+    float swirlSize[2]   = { (float)screenWidth, (float)screenHeight };
+    float swirlCenter[2] = { (float)screenWidth/2, (float)screenHeight/2 };
 
     SetConfigFlags(FLAG_MSAA_4X_HINT);      // Enable Multi Sampling Anti Aliasing 4x (if available)
 
@@ -62,28 +64,36 @@ int main(void)
 
     // Get variable (uniform) location on the shader to connect with the program
     // NOTE: If uniform variable could not be found in the shader, function returns -1
+    int swirlSizeLoc = GetShaderLocation(shader, "size");
     int swirlCenterLoc = GetShaderLocation(shader, "center");
 
-    float swirlCenter[2] = { (float)screenWidth/2, (float)screenHeight/2 };
-
     // Create a RenderTexture2D to be used for render to texture
-    RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
+    RenderTexture2D target;
 
     SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
     while (!WindowShouldClose())        // Detect window close button or ESC key
     {
+        screenWidth = GetScreenWidth();
+        screenHeight = GetScreenHeight();
+        // Create a RenderTexture2D to be used for render to texture
+        UnloadRenderTexture(target);
+        target = LoadRenderTexture(screenWidth, screenHeight);
+
         // Update
         //----------------------------------------------------------------------------------
         UpdateCamera(&camera, CAMERA_ORBITAL);
 
         Vector2 mousePosition = GetMousePosition();
 
+        swirlSize[0] = screenWidth;
+        swirlSize[1] = screenHeight;
+        SetShaderValue(shader, swirlSizeLoc, swirlSize, SHADER_UNIFORM_VEC2);
+
         swirlCenter[0] = mousePosition.x;
         swirlCenter[1] = screenHeight - mousePosition.y;
-
         // Send new value to the shader to be used on drawing
         SetShaderValue(shader, swirlCenterLoc, swirlCenter, SHADER_UNIFORM_VEC2);
         //----------------------------------------------------------------------------------
@@ -98,7 +108,7 @@ int main(void)
                 DrawGrid(10, 1.0f);     // Draw a grid
             EndMode3D();                // End 3d mode drawing, returns to orthographic 2d mode
 
-            DrawText("TEXT DRAWN IN RENDER TEXTURE", 200, 10, 30, RED);
+            DrawText("TEXT DRAWN IN RENDER TEXTURE", screenWidth - 600, 10, 30, RED);
         EndTextureMode();               // End drawing to texture (now we have a texture available for next passes)
 
         BeginDrawing();
@@ -107,7 +117,7 @@ int main(void)
             // Enable shader using the custom uniform
             BeginShaderMode(shader);
                 // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
-                DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)target.texture.width, (float)-target.texture.height }, (Vector2){ 0, 0 }, WHITE);
+                DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)screenWidth, (float)-screenHeight }, (Vector2){ 0, 0 }, WHITE);
             EndShaderMode();
 
             // Draw some 2d text over drawn texture
@@ -128,4 +138,4 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
-}
+}

examples/shaders/shaders_hot_reloading.c

@@ -51,9 +51,6 @@ int main(void)
     int mouseLoc = GetShaderLocation(shader, "mouse");
     int timeLoc = GetShaderLocation(shader, "time");
 
-    float resolution[2] = { (float)screenWidth, (float)screenHeight };
-    SetShaderValue(shader, resolutionLoc, resolution, SHADER_UNIFORM_VEC2);
-
     float totalTime = 0.0f;
     bool shaderAutoReloading = false;
 
@@ -65,6 +62,9 @@ int main(void)
     {
         // Update
         //----------------------------------------------------------------------------------
+        float resolution[2] = { (float)GetScreenWidth(), (float)GetScreenHeight() };
+        SetShaderValue(shader, resolutionLoc, resolution, SHADER_UNIFORM_VEC2);
+
         totalTime += GetFrameTime();
         Vector2 mouse = GetMousePosition();
         float mousePos[2] = { mouse.x, mouse.y };
@@ -113,14 +113,14 @@ int main(void)
 
             // We only draw a white full-screen rectangle, frame is generated in shader
             BeginShaderMode(shader);
-                DrawRectangle(0, 0, screenWidth, screenHeight, WHITE);
+                DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), WHITE);
             EndShaderMode();
 
             DrawText(TextFormat("PRESS [A] to TOGGLE SHADER AUTOLOADING: %s",
                      shaderAutoReloading? "AUTO" : "MANUAL"), 10, 10, 10, shaderAutoReloading? RED : BLACK);
             if (!shaderAutoReloading) DrawText("MOUSE CLICK to SHADER RE-LOADING", 10, 30, 10, BLACK);
 
-            DrawText(TextFormat("Shader last modification: %s", asctime(localtime(&fragShaderFileModTime))), 10, 430, 10, BLACK);
+            DrawText(TextFormat("Shader last modification: %s", asctime(localtime(&fragShaderFileModTime))), 10, GetScreenHeight() - 20, 10, BLACK);
 
         EndDrawing();
         //----------------------------------------------------------------------------------