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author | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
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committer | bonmas14 <bonmas14@gmail.com> | 2025-09-20 22:28:15 +0300 |
commit | cdda4c4182c9ee068567529715e4a5c68a8efb58 (patch) | |
tree | 38a63f62a64018a2d35fc33354f8589fd33b7514 /deps/raylib/examples/shapes/shapes_following_eyes.c | |
download | c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.tar.gz c_wizard-cdda4c4182c9ee068567529715e4a5c68a8efb58.zip |
Init commit v1.0
Diffstat (limited to 'deps/raylib/examples/shapes/shapes_following_eyes.c')
-rw-r--r-- | deps/raylib/examples/shapes/shapes_following_eyes.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/deps/raylib/examples/shapes/shapes_following_eyes.c b/deps/raylib/examples/shapes/shapes_following_eyes.c new file mode 100644 index 0000000..7e428f2 --- /dev/null +++ b/deps/raylib/examples/shapes/shapes_following_eyes.c @@ -0,0 +1,109 @@ +/******************************************************************************************* +* +* raylib [shapes] example - following eyes +* +* Example originally created with raylib 2.5, last time updated with raylib 2.5 +* +* 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) 2013-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include <math.h> // Required for: atan2f() + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [shapes] example - following eyes"); + + Vector2 scleraLeftPosition = { GetScreenWidth()/2.0f - 100.0f, GetScreenHeight()/2.0f }; + Vector2 scleraRightPosition = { GetScreenWidth()/2.0f + 100.0f, GetScreenHeight()/2.0f }; + float scleraRadius = 80; + + Vector2 irisLeftPosition = { GetScreenWidth()/2.0f - 100.0f, GetScreenHeight()/2.0f }; + Vector2 irisRightPosition = { GetScreenWidth()/2.0f + 100.0f, GetScreenHeight()/2.0f }; + float irisRadius = 24; + + float angle = 0.0f; + float dx = 0.0f, dy = 0.0f, dxx = 0.0f, dyy = 0.0f; + + 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 + //---------------------------------------------------------------------------------- + irisLeftPosition = GetMousePosition(); + irisRightPosition = GetMousePosition(); + + // Check not inside the left eye sclera + if (!CheckCollisionPointCircle(irisLeftPosition, scleraLeftPosition, scleraRadius - irisRadius)) + { + dx = irisLeftPosition.x - scleraLeftPosition.x; + dy = irisLeftPosition.y - scleraLeftPosition.y; + + angle = atan2f(dy, dx); + + dxx = (scleraRadius - irisRadius)*cosf(angle); + dyy = (scleraRadius - irisRadius)*sinf(angle); + + irisLeftPosition.x = scleraLeftPosition.x + dxx; + irisLeftPosition.y = scleraLeftPosition.y + dyy; + } + + // Check not inside the right eye sclera + if (!CheckCollisionPointCircle(irisRightPosition, scleraRightPosition, scleraRadius - irisRadius)) + { + dx = irisRightPosition.x - scleraRightPosition.x; + dy = irisRightPosition.y - scleraRightPosition.y; + + angle = atan2f(dy, dx); + + dxx = (scleraRadius - irisRadius)*cosf(angle); + dyy = (scleraRadius - irisRadius)*sinf(angle); + + irisRightPosition.x = scleraRightPosition.x + dxx; + irisRightPosition.y = scleraRightPosition.y + dyy; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawCircleV(scleraLeftPosition, scleraRadius, LIGHTGRAY); + DrawCircleV(irisLeftPosition, irisRadius, BROWN); + DrawCircleV(irisLeftPosition, 10, BLACK); + + DrawCircleV(scleraRightPosition, scleraRadius, LIGHTGRAY); + DrawCircleV(irisRightPosition, irisRadius, DARKGREEN); + DrawCircleV(irisRightPosition, 10, BLACK); + + DrawFPS(10, 10); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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