101 lines
3.5 KiB
Zig
101 lines
3.5 KiB
Zig
const std = @import("std");
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const rl = @import("raylib");
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const rg = @import("raygui");
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const pr = @import("primitives.zig");
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const particles = @import("particles.zig");
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const plot = @import("plot.zig");
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const allocator = std.heap.page_allocator;
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const screenWidth = 1200;
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const screenHeight = 800;
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fn ItoF(x: i32) f32 {
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return @as(f32, @floatFromInt(x));
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}
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fn rectangle(x: u16, y: u16, width: u16, height: u16) rl.Rectangle {
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return rl.Rectangle{ .x = @as(f32, @floatFromInt(x)), .y = @as(f32, @floatFromInt(y)), .width = @as(f32, @floatFromInt(width)), .height = @as(f32, @floatFromInt(height)) };
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}
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pub fn main() anyerror!void {
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var value: f32 = 0;
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var value2: f32 = 0;
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var value3: f32 = 0;
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var color: rl.Color = undefined;
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var emitter = particles.Emitter{};
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try emitter.init(allocator, screenWidth, screenHeight);
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//const img : rl.Texture = rl.loadTexture("img.png");
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rl.initWindow(screenWidth, screenHeight, "raylib-zig [core] example - basic window");
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defer rl.closeWindow(); // Close window and OpenGL context
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var texture: rl.Texture2D = undefined;
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const image: rl.Image = rl.loadImage("resources/blut.png");
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if (image.width > 0) {
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texture = rl.loadTextureFromImage(image);
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} else {
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std.debug.print("error opening resource", .{});
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std.posix.exit(1);
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}
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rl.unloadImage(image);
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rl.setTargetFPS(60);
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const file = try plot.open("plot.dat");
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var plotStr: []u8 = undefined;
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var plotStrBuf: [128]u8 = undefined;
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try plot.log(file, "acceleration, position, velocity, show\n");
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var att: [10]particles.Attractor = undefined;
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var active: i32 = 0;
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var editMode: bool = false;
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while (!rl.windowShouldClose()) { // Detect window close button or ESC key
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rl.beginDrawing();
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defer rl.endDrawing();
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rl.clearBackground(rl.Color{
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.r = 0,
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.g = 0,
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.b = 0,
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.a = 255,
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});
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if (rg.guiDropdownBox(rectangle(10, 10, 100, 20), "Settings;Particles", &active, editMode) != 0) {
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editMode = !editMode;
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std.debug.print("dropdownbox: {}", .{active});
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}
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if (active == 1) {
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if (rg.guiWindowBox(rectangle(10, 10, 800, 600), "Window Box") == 1) {
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active = 0;
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editMode = false;
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}
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_ = rg.guiSlider(rectangle(10, 150, 600, 10), "0", "500", &value, ItoF(0), ItoF(500));
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_ = rg.guiSlider(rectangle(10, 170, 600, 10), "-3", "3", &value2, ItoF(-100), ItoF(100));
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_ = rg.guiSlider(rectangle(10, 190, 600, 10), "-3", "3", &value3, -100, 100);
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_ = rg.guiColorPicker(rectangle(10, 200, 300, 100), "Choose Color", &color);
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}
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if (rl.isMouseButtonDown(rl.MouseButton.mouse_button_left)) {
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emitter.emit(@as(u32, @intFromFloat(value)), value2, value3);
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}
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plotStr = try std.fmt.bufPrint(&plotStrBuf, "{d}, {d}, {d}, {d}\n", .{ emitter.particles[0].acceleration.a.x, emitter.particles[0].position.a.x, emitter.particles[0].velocity.a.x, emitter.particles[0].show });
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try plot.log(file, plotStr);
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rl.beginBlendMode(rl.BlendMode.blend_additive);
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emitter.update(&att, texture, color);
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rl.endBlendMode();
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}
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plot.close(file);
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}
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fn updateGUI() !void {}
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test "simple test" {
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var list = std.ArrayList(i32).init(std.testing.allocator);
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defer list.deinit(); // try commenting this out and see if zig detects the memory leak!
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try list.append(42);
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try std.testing.expectEqual(@as(i32, 42), list.pop());
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}
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