|
@@ -0,0 +1,106 @@
|
|
|
|
|
+/*******************************************************************************************
|
|
|
|
|
+*
|
|
|
|
|
+* raylib [shapes] example - triangle strip
|
|
|
|
|
+*
|
|
|
|
|
+* Example complexity rating: [★★☆☆] 2/4
|
|
|
|
|
+*
|
|
|
|
|
+* Example originally created with raylib 5.6-dev, last time updated with raylib 5.6-dev
|
|
|
|
|
+*
|
|
|
|
|
+* Example contributed by Jopestpe (@jopestpe)
|
|
|
|
|
+*
|
|
|
|
|
+* 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) 2018-2025 Jopestpe (@jopestpe)
|
|
|
|
|
+*
|
|
|
|
|
+********************************************************************************************/
|
|
|
|
|
+
|
|
|
|
|
+#include "raylib.h"
|
|
|
|
|
+#include <math.h>
|
|
|
|
|
+
|
|
|
|
|
+#define RAYGUI_IMPLEMENTATION
|
|
|
|
|
+#include "raygui.h" // Required for GUI controls
|
|
|
|
|
+
|
|
|
|
|
+//------------------------------------------------------------------------------------
|
|
|
|
|
+// Program main entry point
|
|
|
|
|
+//------------------------------------------------------------------------------------
|
|
|
|
|
+int main(void)
|
|
|
|
|
+{
|
|
|
|
|
+ // Initialization
|
|
|
|
|
+ //--------------------------------------------------------------------------------------
|
|
|
|
|
+ const int screenWidth = 800;
|
|
|
|
|
+ const int screenHeight = 450;
|
|
|
|
|
+
|
|
|
|
|
+ InitWindow(screenWidth, screenHeight, "raylib [shapes] example - triangle strip");
|
|
|
|
|
+
|
|
|
|
|
+ Vector2 points[120] = { 0 };
|
|
|
|
|
+ Vector2 center = { (screenWidth/2.0f) - 125.f, screenHeight/2.0f };
|
|
|
|
|
+ float segments = 6.0f;
|
|
|
|
|
+ float insideRadius = 100.0f;
|
|
|
|
|
+ float outsideRadius = 150.0f;
|
|
|
|
|
+ bool outline = true;
|
|
|
|
|
+
|
|
|
|
|
+ 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
|
|
|
|
|
+ //----------------------------------------------------------------------------------
|
|
|
|
|
+ int pointCount = (int)(segments);
|
|
|
|
|
+ float angleStep = (360.0f/pointCount)*DEG2RAD;
|
|
|
|
|
+
|
|
|
|
|
+ for (int i = 0, i2 = 0; i < pointCount; i++, i2 += 2)
|
|
|
|
|
+ {
|
|
|
|
|
+ float angle1 = i*angleStep;
|
|
|
|
|
+ points[i2] = (Vector2){ center.x + cosf(angle1)*insideRadius, center.y + sinf(angle1)*insideRadius };
|
|
|
|
|
+ float angle2 = angle1 + angleStep/2.0f;
|
|
|
|
|
+ points[i2 + 1] = (Vector2){ center.x + cosf(angle2)*outsideRadius, center.y + sinf(angle2)*outsideRadius };
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ points[pointCount*2] = points[0];
|
|
|
|
|
+ points[pointCount*2 + 1] = points[1];
|
|
|
|
|
+ //----------------------------------------------------------------------------------
|
|
|
|
|
+
|
|
|
|
|
+ // Draw
|
|
|
|
|
+ //----------------------------------------------------------------------------------
|
|
|
|
|
+ BeginDrawing();
|
|
|
|
|
+
|
|
|
|
|
+ ClearBackground(RAYWHITE);
|
|
|
|
|
+
|
|
|
|
|
+ for (int i = 0, i2 = 0; i < pointCount; i++, i2 += 2)
|
|
|
|
|
+ {
|
|
|
|
|
+ float angle1 = i*angleStep;
|
|
|
|
|
+ Color color = ColorFromHSV(angle1*RAD2DEG, 1.0f, 1.0f);
|
|
|
|
|
+ DrawTriangle(points[i2 + 2], points[i2 + 1], points[i2], color);
|
|
|
|
|
+ if (outline) DrawTriangleLines(points[i2], points[i2 + 1], points[i2 + 2], BLACK);
|
|
|
|
|
+
|
|
|
|
|
+ float angle2 = angle1 + angleStep/2.0f;
|
|
|
|
|
+ color = ColorFromHSV(angle2*RAD2DEG, 1.0f, 1.0f);
|
|
|
|
|
+ DrawTriangle(points[i2 + 3], points[i2 + 1], points[i2 + 2], color);
|
|
|
|
|
+ if (outline) DrawTriangleLines(points[i2 + 2], points[i2 + 1], points[i2 + 3], BLACK);
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ DrawLine(580, 0, 580, GetScreenHeight(), (Color){ 218, 218, 218, 255 });
|
|
|
|
|
+ DrawRectangle(580, 0, GetScreenWidth(), GetScreenHeight(), (Color){ 232, 232, 232, 255 });
|
|
|
|
|
+
|
|
|
|
|
+ // Draw GUI controls
|
|
|
|
|
+ //------------------------------------------------------------------------------
|
|
|
|
|
+ GuiSliderBar((Rectangle){ 640, 40, 120, 20}, "Segments", TextFormat("%.0f", segments), &segments, 6.0f, 60.f);
|
|
|
|
|
+ GuiCheckBox((Rectangle){ 640, 70, 20, 20 }, "Outline", &outline);
|
|
|
|
|
+ //------------------------------------------------------------------------------
|
|
|
|
|
+
|
|
|
|
|
+ DrawFPS(10, 10);
|
|
|
|
|
+
|
|
|
|
|
+ EndDrawing();
|
|
|
|
|
+ //----------------------------------------------------------------------------------
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ // De-Initialization
|
|
|
|
|
+ //--------------------------------------------------------------------------------------
|
|
|
|
|
+ CloseWindow(); // Close window and OpenGL context
|
|
|
|
|
+ //--------------------------------------------------------------------------------------
|
|
|
|
|
+
|
|
|
|
|
+ return 0;
|
|
|
|
|
+}
|