1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*******************************************************************************************
*
* 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)
*
* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2018 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include <raylib.h>
#define RAYGUI_IMPLEMENTATION
#include "extras/raygui.h" // Required for GUI controls
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw circle sector");
Vector2 center = {(GetScreenWidth() - 300)/2.0f, GetScreenHeight()/2.0f };
float outerRadius = 180.0f;
float startAngle = 0.0f;
float endAngle = 180.0f;
int segments = 0;
int minSegments = 4;
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
//----------------------------------------------------------------------------------
// 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, 0.3f));
DrawCircleSectorLines(center, outerRadius, startAngle, endAngle, segments, Fade(MAROON, 0.6f));
// Draw GUI controls
//------------------------------------------------------------------------------
startAngle = GuiSliderBar((Rectangle){ 600, 40, 120, 20}, "StartAngle", NULL, startAngle, 0, 720);
endAngle = GuiSliderBar((Rectangle){ 600, 70, 120, 20}, "EndAngle", NULL, endAngle, 0, 720);
outerRadius = GuiSliderBar((Rectangle){ 600, 140, 120, 20}, "Radius", NULL, outerRadius, 0, 200);
segments = (int)GuiSliderBar((Rectangle){ 600, 170, 120, 20}, "Segments", NULL, (float)segments, 0, 100);
//------------------------------------------------------------------------------
minSegments = (int)ceilf((endAngle - startAngle) / 90);
DrawText(TextFormat("MODE: %s", (segments >= minSegments)? "MANUAL" : "AUTO"), 600, 200, 10, (segments >= minSegments)? MAROON : DARKGRAY);
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
|
