147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
#include <raylib.h>
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#include <raymath.h>
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#include <cmath>
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#include <vector>
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Vector2 newPoint(Vector2 start, float len, float angleD){
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float angleR = (angleD * PI) / 180; // radian
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return {start.x + len * cos(angleR), start.y - len * sin(angleR)};
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}
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void drawBranch(Vector2 startV, Vector2 endV, Color startC, Color endC, int startR, int endR){
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float fstep = 0.05;
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for (float i = 0; i < 1.05; i += fstep)
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{
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Vector2 point = Vector2Lerp(startV, endV, i);
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Color color = ColorLerp(startC, endC, i);
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int size = Lerp(startR, endR, i);
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DrawCircleV(point, size, color);
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}
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}
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constexpr float screenWidth = 800;
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constexpr float screenHeight = 800;
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constexpr float len = 300;
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constexpr float angleD = 100;
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constexpr Vector2 start = {screenWidth / 2, screenHeight - 100};
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constexpr float radius = 20;
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constexpr float radiusS = 80;
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constexpr float radiusE = 60;
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constexpr Color colorS = RED;
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constexpr Color colorE = GREEN;
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typedef void (*slika)();
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int idx = 0;
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std::vector<slika> v_slik = {
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[]()
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{
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DrawCircleV(start, radius, BLACK);
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},
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[]()
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{
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Vector2 end = {start.x, start.y - len};
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DrawCircleV(start, radius, BLACK);
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DrawLineEx(start, end, 10, BLACK);
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},
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[]()
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{
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Vector2 end = newPoint(start, len, angleD);
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DrawCircleV(start, radius, BLACK);
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DrawLineEx(start, end, 10, BLACK);
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DrawCircleV(end, radius, BLACK);
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DrawCircleSectorLines(start, len / 3, 360 - angleD, 360, 30, BLACK);
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},
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[]()
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{
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Vector2 end = newPoint(start, len, angleD);
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DrawCircleV(start, radius, BLACK);
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DrawLineEx(start, end, 10, BLACK);
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DrawCircleV(end, radius, BLACK);
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DrawCircleLinesV(start, radiusS, BLACK);
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DrawCircleLinesV(end, radiusE, BLACK);
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},
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[]()
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{
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Vector2 end = newPoint(start, len, angleD);
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DrawLineEx(start, end, 10, BLACK);
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DrawCircleV(start, radiusS, colorS);
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DrawCircleV(end, radiusE, colorE);
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},
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[]()
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{
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Vector2 end = newPoint(start, len, angleD);
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drawBranch(start, end, colorS, colorE, radiusS, radiusE);
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},
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[]()
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{
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Vector2 p = newPoint(start, len, angleD);
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drawBranch(start, p, colorS, colorE, radiusS, radiusE);
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Vector2 p1 = newPoint(p, len, 135);
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Vector2 p2 = newPoint(p, len, 90);
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Vector2 p3 = newPoint(p, len, 45);
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DrawLineEx(p, p1, 10, BLACK);
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DrawLineEx(p, p2, 10, BLACK);
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DrawLineEx(p, p3, 10, BLACK);
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DrawCircleV(p, radius, BLACK);
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DrawCircleV(p1, radius, BLACK);
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DrawCircleV(p2, radius, BLACK);
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DrawCircleV(p3, radius, BLACK);
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},
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[]()
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{
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Vector2 p = newPoint(start, len, angleD);
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drawBranch(start, p, colorS, colorE, radiusS, radiusE);
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Vector2 p1 = newPoint(p, len, 135);
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Vector2 p2 = newPoint(p, len, 90);
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Vector2 p3 = newPoint(p, len, 45);
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drawBranch(p, p1, colorE, BLUE, radiusE, 50);
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drawBranch(p, p2, colorE, ORANGE, radiusE, 50);
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drawBranch(p, p3, colorE, PURPLE, radiusE, 50);
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},
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};
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int main(int argc, char *argv[])
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{
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InitWindow(screenWidth, screenHeight, "Slike");
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SetTargetFPS(60);
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while (!WindowShouldClose())
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{
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BeginDrawing();
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if (IsKeyPressed(KEY_S))
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{
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TakeScreenshot(TextFormat("slika%.2d.png", idx));
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}
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if (IsKeyPressed(KEY_N))
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{
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idx++;
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if (idx >= v_slik.size())
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idx = v_slik.size() - 1;
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}
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if (IsKeyPressed(KEY_P))
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{
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idx--;
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if (idx < 0)
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idx = 0;
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}
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ClearBackground(WHITE);
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v_slik[idx]();
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EndDrawing();
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}
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CloseWindow();
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return 0;
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} |