raylib/examples/shapes/shapes_draw_circle_sector.c
Ray 62f1511e5f Batch of 9 new shapes examples!
Some examples included in this batch require the included libraries: `easings.h` and `raygui.h`. Examples included:

 - shapes_bouncing_ball
 - shapes_collision_area
 - shapes_following_eyes
 - shapes_draw_circle_sector (requires raygui.h)
 - shapes_draw_rectangle_rounded (requires raygui.h)
 - shapes_draw_ring (requires raygui.h)
 - shapes_easings_ball_anim (requires easings.h)
 - shapes_easings_box_anim (requires easings.h)
 - shapes_easings_rectangle_array (requires easings.h)
2019-05-03 16:00:16 +02:00

79 lines
3.4 KiB
C

/*******************************************************************************************
*
* raylib [shapes] example - draw circle sector (with gui options)
*
* 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 Vlad Adrian (@Demizdor) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include <raylib.h>
#define RAYGUI_IMPLEMENTATION
#include "raygui.h" // Required for GUI controls
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw circle sector");
Vector2 center = {(GetScreenWidth() - 300)/2, GetScreenHeight()/2 };
float outerRadius = 180.f;
int startAngle = 0;
int endAngle = 180;
int segments = 0;
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// NOTE: All variables update happens inside GUI control functions
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawLine(500, 0, 500, GetScreenHeight(), Fade(LIGHTGRAY, 0.6f));
DrawRectangle(500, 0, GetScreenWidth() - 500, GetScreenHeight(), Fade(LIGHTGRAY, 0.3f));
DrawCircleSector(center, outerRadius, startAngle, endAngle, segments, Fade(MAROON, 0.3));
DrawCircleSectorLines(center, outerRadius, startAngle, endAngle, segments, Fade(MAROON, 0.6));
// Draw GUI controls
//------------------------------------------------------------------------------
startAngle = GuiSliderBar((Rectangle){ 600, 40, 120, 20}, "StartAngle", startAngle, 0, 720, true );
endAngle = GuiSliderBar((Rectangle){ 600, 70, 120, 20}, "EndAngle", endAngle, 0, 720, true);
outerRadius = GuiSliderBar((Rectangle){ 600, 140, 120, 20}, "Radius", outerRadius, 0, 200, true);
segments = GuiSliderBar((Rectangle){ 600, 170, 120, 20}, "Segments", segments, 0, 100, true);
//------------------------------------------------------------------------------
DrawText(FormatText("MODE: %s", (segments >= 4)? "MANUAL" : "AUTO"), 600, 200, 10, (segments >= 4)? MAROON : DARKGRAY);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}