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Diffstat (limited to 'examples/core/easings_example.c')
| -rw-r--r-- | examples/core/easings_example.c | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/examples/core/easings_example.c b/examples/core/easings_example.c deleted file mode 100644 index d42b3c33..00000000 --- a/examples/core/easings_example.c +++ /dev/null @@ -1,354 +0,0 @@ -/******************************************************************************************* -* -* raylib [easings] example -* -* This example has been created using raylib 2.5 (www.raylib.com) -* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -* -* Copyright (c) 2019 Juan Miguel López -* -********************************************************************************************/ - - -#include <raylib.h> -#include "easings.h" - - -// Application constants -#define SCR_WIDTH 800 -#define SCR_HEIGHT 450 -#define BALL_RADIUS 16.0f -#define BALL_COLOR MAROON -#define PAD 80.0f -#define START_X (0.0f + (BALL_RADIUS) + (PAD)) -#define END_X ((SCR_WIDTH) - ((BALL_RADIUS) + (PAD))) -#define START_Y (0.0f + (BALL_RADIUS) + (PAD)) -#define END_Y ((SCR_HEIGHT) - ((BALL_RADIUS) + (PAD))) -#define T_ADVANCE 1.0f -#define D_DFT 300.0f -#define TARGET_FPS 60 -#define BG_COLOR RAYWHITE -#define TEXT_COLOR LIGHTGRAY -#define FONT_SIZE 20 -#define D_STEP 20.0f -#define D_STEP_FINE 2.0f -#define D_MIN 1.0f -#define D_MAX 10000.0f - -// Application control keys -#define KEY_NEXT_EASE_X KEY_RIGHT -#define KEY_PREV_EASE_X KEY_LEFT -#define KEY_NEXT_EASE_Y KEY_DOWN -#define KEY_PREV_EASE_Y KEY_UP -#define KEY_INCR_D_STEP KEY_W -#define KEY_DECR_D_STEP KEY_Q -#define KEY_INCR_D_FINE KEY_S -#define KEY_DECR_D_FINE KEY_A -#define KEY_PLAY_PAUSE KEY_ENTER -#define KEY_RESTART KEY_SPACE -#define KEY_TOGGLE_UNBOUNDED_T KEY_T - - -// Easing types -enum EasingTypes { - EASE_LINEAR_NONE, - EASE_LINEAR_IN, - EASE_LINEAR_OUT, - EASE_LINEAR_IN_OUT, - EASE_SINE_IN, - EASE_SINE_OUT, - EASE_SINE_IN_OUT, - EASE_CIRC_IN, - EASE_CIRC_OUT, - EASE_CIRC_IN_OUT, - EASE_CUBIC_IN, - EASE_CUBIC_OUT, - EASE_CUBIC_IN_OUT, - EASE_QUAD_IN, - EASE_QUAD_OUT, - EASE_QUAD_IN_OUT, - EASE_EXPO_IN, - EASE_EXPO_OUT, - EASE_EXPO_IN_OUT, - EASE_BACK_IN, - EASE_BACK_OUT, - EASE_BACK_IN_OUT, - EASE_BOUNCE_OUT, - EASE_BOUNCE_IN, - EASE_BOUNCE_IN_OUT, - EASE_ELASTIC_IN, - EASE_ELASTIC_OUT, - EASE_ELASTIC_IN_OUT, - NUM_EASING_TYPES, - EASING_NONE = NUM_EASING_TYPES -}; - - -static float NoEase(float t, float b, float c, float d); // NoEase function declaration, function used when "no easing" is selected for any axis - - -// Easing functions reference data -static const struct { - const char *name; - float (*func)(float, float, float, float); -} Easings[] = { - [EASE_LINEAR_NONE] = { - .name = "EaseLinearNone", - .func = EaseLinearNone, - }, - [EASE_LINEAR_IN] = { - .name = "EaseLinearIn", - .func = EaseLinearIn, - }, - [EASE_LINEAR_OUT] = { - .name = "EaseLinearOut", - .func = EaseLinearOut, - }, - [EASE_LINEAR_IN_OUT] = { - .name = "EaseLinearInOut", - .func = EaseLinearInOut, - }, - [EASE_SINE_IN] = { - .name = "EaseSineIn", - .func = EaseSineIn, - }, - [EASE_SINE_OUT] = { - .name = "EaseSineOut", - .func = EaseSineOut, - }, - [EASE_SINE_IN_OUT] = { - .name = "EaseSineInOut", - .func = EaseSineInOut, - }, - [EASE_CIRC_IN] = { - .name = "EaseCircIn", - .func = EaseCircIn, - }, - [EASE_CIRC_OUT] = { - .name = "EaseCircOut", - .func = EaseCircOut, - }, - [EASE_CIRC_IN_OUT] = { - .name = "EaseCircInOut", - .func = EaseCircInOut, - }, - [EASE_CUBIC_IN] = { - .name = "EaseCubicIn", - .func = EaseCubicIn, - }, - [EASE_CUBIC_OUT] = { - .name = "EaseCubicOut", - .func = EaseCubicOut, - }, - [EASE_CUBIC_IN_OUT] = { - .name = "EaseCubicInOut", - .func = EaseCubicInOut, - }, - [EASE_QUAD_IN] = { - .name = "EaseQuadIn", - .func = EaseQuadIn, - }, - [EASE_QUAD_OUT] = { - .name = "EaseQuadOut", - .func = EaseQuadOut, - }, - [EASE_QUAD_IN_OUT] = { - .name = "EaseQuadInOut", - .func = EaseQuadInOut, - }, - [EASE_EXPO_IN] = { - .name = "EaseExpoIn", - .func = EaseExpoIn, - }, - [EASE_EXPO_OUT] = { - .name = "EaseExpoOut", - .func = EaseExpoOut, - }, - [EASE_EXPO_IN_OUT] = { - .name = "EaseExpoInOut", - .func = EaseExpoInOut, - }, - [EASE_BACK_IN] = { - .name = "EaseBackIn", - .func = EaseBackIn, - }, - [EASE_BACK_OUT] = { - .name = "EaseBackOut", - .func = EaseBackOut, - }, - [EASE_BACK_IN_OUT] = { - .name = "EaseBackInOut", - .func = EaseBackInOut, - }, - [EASE_BOUNCE_OUT] = { - .name = "EaseBounceOut", - .func = EaseBounceOut, - }, - [EASE_BOUNCE_IN] = { - .name = "EaseBounceIn", - .func = EaseBounceIn, - }, - [EASE_BOUNCE_IN_OUT] = { - .name = "EaseBounceInOut", - .func = EaseBounceInOut, - }, - [EASE_ELASTIC_IN] = { - .name = "EaseElasticIn", - .func = EaseElasticIn, - }, - [EASE_ELASTIC_OUT] = { - .name = "EaseElasticOut", - .func = EaseElasticOut, - }, - [EASE_ELASTIC_IN_OUT] = { - .name = "EaseElasticInOut", - .func = EaseElasticInOut, - }, - [EASING_NONE] = { - .name = "None", - .func = NoEase, - }, -}; - - -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - Vector2 ballPos = { .x = START_X, .y = START_Y }; - float t = 0.0f; // Current time (in any unit measure, but same unit as duration) - float d = D_DFT; // Total time it should take to complete (duration) - bool paused = true; - bool boundedT = true; // If true, t will stop when d >= td, otherwise t will keep adding td to its value every loop - - enum EasingTypes easingX = EASING_NONE; // Easing selected for x axis - enum EasingTypes easingY = EASING_NONE; // Easing selected for y axis - - InitWindow(SCR_WIDTH, SCR_HEIGHT, "raylib [easings] example"); - SetTargetFPS(TARGET_FPS); - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - if (IsKeyPressed(KEY_TOGGLE_UNBOUNDED_T)) - boundedT = 1 - boundedT; - - // Choose easing for the X axis - if (IsKeyPressed(KEY_NEXT_EASE_X)) - { - ++easingX; - - if (easingX > EASING_NONE) - easingX = 0; - } - else if (IsKeyPressed(KEY_PREV_EASE_X)) - { - if (easingX == 0) - easingX = EASING_NONE; - else - --easingX; - } - - // Choose easing for the Y axis - if (IsKeyPressed(KEY_NEXT_EASE_Y)) - { - ++easingY; - - if (easingY > EASING_NONE) - easingY = 0; - } - else if (IsKeyPressed(KEY_PREV_EASE_Y)) - { - if (easingY == 0) - easingY = EASING_NONE; - else - --easingY; - } - - // Change d (duration) value - if (IsKeyPressed(KEY_INCR_D_STEP) && d < D_MAX - D_STEP) - d += D_STEP; - else if (IsKeyPressed(KEY_DECR_D_STEP) && d > D_MIN + D_STEP) - d -= D_STEP; - - if (IsKeyDown(KEY_INCR_D_FINE) && d < D_MAX - D_STEP_FINE) - d += D_STEP_FINE; - else if (IsKeyDown(KEY_DECR_D_FINE) && d > D_MIN + D_STEP_FINE) - d -= D_STEP_FINE; - - // Play, pause and restart controls - if (IsKeyPressed(KEY_RESTART) || - IsKeyPressed(KEY_NEXT_EASE_X) || IsKeyPressed(KEY_PREV_EASE_X) || - IsKeyPressed(KEY_NEXT_EASE_Y) || IsKeyPressed(KEY_PREV_EASE_Y) || - IsKeyPressed(KEY_INCR_D_STEP) || IsKeyPressed(KEY_DECR_D_STEP) || - IsKeyPressed(KEY_TOGGLE_UNBOUNDED_T) || - IsKeyDown(KEY_INCR_D_FINE) || IsKeyDown(KEY_DECR_D_FINE) || - (IsKeyPressed(KEY_PLAY_PAUSE) && boundedT == true && t >= d)) - { - t = 0.0f; - ballPos.x = START_X; - ballPos.y = START_Y; - paused = true; - } - - if (IsKeyPressed(KEY_PLAY_PAUSE)) - paused = 1 - paused; - - // Movement computation - if ((paused == false) && - ((boundedT == true && t < d) || boundedT == false)) - { - ballPos.x = Easings[easingX].func(t, START_X, END_X - START_X, d); - ballPos.y = Easings[easingY].func(t, START_Y, END_Y - START_Y, d); - t += T_ADVANCE; - } - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(BG_COLOR); - - // Draw information text - int line = 0; - - DrawText(TextFormat("Easing x: %s", Easings[easingX].name), 0, FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - DrawText(TextFormat("Easing y: %s", Easings[easingY].name), 0, FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - DrawText(TextFormat("t (%c) = %.2f d = %.2f", (boundedT == true)? 'b' : 'u', t, d), - 0, FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - - // Draw instructions text - line = 1; - DrawText("Use ENTER to play or pause movement, use SPACE to restart", 0, SCR_HEIGHT - FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - DrawText("Use D and W or A and S keys to change duration", 0, SCR_HEIGHT - FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - DrawText("Use LEFT or RIGHT keys to choose easing for the x axis", 0, SCR_HEIGHT - FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - DrawText("Use UP or DOWN keys to choose easing for the y axis", 0, SCR_HEIGHT - FONT_SIZE * (line++), FONT_SIZE, TEXT_COLOR); - - // Draw ball - DrawCircleV(ballPos, BALL_RADIUS, BALL_COLOR); - - EndDrawing(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - CloseWindow(); - //-------------------------------------------------------------------------------------- - - return 0; -} - - -// NoEase function, used when "no easing" is selected for any axis. It just ignores all parameters besides b. -static float NoEase(float t, float b, float c, float d) -{ - float burn = t + b + c + d; // Hack to avoid compiler warning (about unused variables) - d += burn; - - return b; -}
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