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+/*******************************************************************************************
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+*
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+* raylib [shapes] example - triangle strip
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+*
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+* Example complexity rating: [★★☆☆] 2/4
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+*
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+* Example originally created with raylib 5.6-dev, last time updated with raylib 5.6-dev
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+*
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+* Example contributed by Jopestpe (@jopestpe)
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+*
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+* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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+* BSD-like license that allows static linking with closed source software
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+*
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+* Copyright (c) 2018-2025 Jopestpe (@jopestpe)
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+*
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+********************************************************************************************/
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+
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+#include "raylib.h"
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+#include <math.h>
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+
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+#define RAYGUI_IMPLEMENTATION
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+#include "raygui.h" // Required for GUI controls
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+
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+//------------------------------------------------------------------------------------
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+// Program main entry point
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+//------------------------------------------------------------------------------------
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+int main(void)
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+{
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+ // Initialization
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+ //--------------------------------------------------------------------------------------
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+ const int screenWidth = 800;
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+ const int screenHeight = 450;
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+
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+ InitWindow(screenWidth, screenHeight, "raylib [shapes] example - triangle strip");
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+
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+ Vector2 points[120] = { 0 };
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+ Vector2 center = { (screenWidth/2.0f) - 125.f, screenHeight/2.0f };
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+ float segments = 6.0f;
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+ float insideRadius = 100.0f;
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+ float outsideRadius = 150.0f;
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+ bool outline = true;
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+
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+ SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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+ //--------------------------------------------------------------------------------------
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+
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+ // Main game loop
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+ while (!WindowShouldClose()) // Detect window close button or ESC key
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+ {
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+ // Update
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+ //----------------------------------------------------------------------------------
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+ int pointCount = (int)(segments);
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+ float angleStep = (360.0f/pointCount)*DEG2RAD;
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+
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+ for (int i = 0, i2 = 0; i < pointCount; i++, i2 += 2)
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+ {
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+ float angle1 = i*angleStep;
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+ points[i2] = (Vector2){ center.x + cosf(angle1)*insideRadius, center.y + sinf(angle1)*insideRadius };
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+ float angle2 = angle1 + angleStep/2.0f;
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+ points[i2 + 1] = (Vector2){ center.x + cosf(angle2)*outsideRadius, center.y + sinf(angle2)*outsideRadius };
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+ }
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+
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+ points[pointCount*2] = points[0];
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+ points[pointCount*2 + 1] = points[1];
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+ //----------------------------------------------------------------------------------
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+
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+ // Draw
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+ //----------------------------------------------------------------------------------
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+ BeginDrawing();
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+
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+ ClearBackground(RAYWHITE);
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+
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+ for (int i = 0, i2 = 0; i < pointCount; i++, i2 += 2)
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+ {
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+ float angle1 = i*angleStep;
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+ Color color = ColorFromHSV(angle1*RAD2DEG, 1.0f, 1.0f);
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+ DrawTriangle(points[i2 + 2], points[i2 + 1], points[i2], color);
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+ if (outline) DrawTriangleLines(points[i2], points[i2 + 1], points[i2 + 2], BLACK);
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+
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+ float angle2 = angle1 + angleStep/2.0f;
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+ color = ColorFromHSV(angle2*RAD2DEG, 1.0f, 1.0f);
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+ DrawTriangle(points[i2 + 3], points[i2 + 1], points[i2 + 2], color);
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+ if (outline) DrawTriangleLines(points[i2 + 2], points[i2 + 1], points[i2 + 3], BLACK);
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+ }
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+
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+ DrawLine(580, 0, 580, GetScreenHeight(), (Color){ 218, 218, 218, 255 });
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+ DrawRectangle(580, 0, GetScreenWidth(), GetScreenHeight(), (Color){ 232, 232, 232, 255 });
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+
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+ // Draw GUI controls
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+ //------------------------------------------------------------------------------
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+ GuiSliderBar((Rectangle){ 640, 40, 120, 20}, "Segments", TextFormat("%.0f", segments), &segments, 6.0f, 60.f);
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+ GuiCheckBox((Rectangle){ 640, 70, 20, 20 }, "Outline", &outline);
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+ //------------------------------------------------------------------------------
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+
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+ DrawFPS(10, 10);
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+
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+ EndDrawing();
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+ //----------------------------------------------------------------------------------
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+ }
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+
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+ // De-Initialization
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+ //--------------------------------------------------------------------------------------
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+ CloseWindow(); // Close window and OpenGL context
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+ //--------------------------------------------------------------------------------------
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+
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+ return 0;
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+}
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Jopestpe
