36 lines
890 B
C
36 lines
890 B
C
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// x-run: make run
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#include <raylib.h>
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#include <raymath.h>
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#include <string.h>
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#define TRAIL_LENGTH 360
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int main(int argc, char **argv) {
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SetConfigFlags(FLAG_WINDOW_RESIZABLE);
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InitWindow(800, 600, "vis/follow-mouse");
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SetTargetFPS(120);
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Vector2 trail[TRAIL_LENGTH];
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Vector2 ex_trail[TRAIL_LENGTH];
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Vector2 pos = { 0, 0 };
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while (!WindowShouldClose()) {
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BeginDrawing();
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ClearBackground(BLACK);
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memmove(&trail[0], &trail[1], sizeof(Vector2) * (TRAIL_LENGTH - 1));
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trail[TRAIL_LENGTH - 1] = GetMousePosition();
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DrawLineStrip(trail, TRAIL_LENGTH, RED);
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pos = Vector2Lerp(pos, trail[TRAIL_LENGTH - 1], 0.125);
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DrawCircleLines(pos.x, pos.y, 8, WHITE);
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memmove(&ex_trail[0], &ex_trail[1], sizeof(Vector2) * (TRAIL_LENGTH - 1));
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ex_trail[TRAIL_LENGTH - 1] = pos;
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DrawLineStrip(ex_trail, TRAIL_LENGTH, GREEN);
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EndDrawing();
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}
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}
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