127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
#include "Color.hpp"
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#include "Keyboard.hpp"
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#include "Matrix.hpp"
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#include "Model.hpp"
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#include "raylib.h"
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#include <raylib-cpp.hpp>
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#include <iostream>
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static bool scaleModel = false;
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void DrawBoundedModel(raylib::Model &model, auto transformer) {
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// store the original transform to apply a different transform to the
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// model without affecting the next time we draw
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raylib::Matrix oldTransform = model.GetTransform();
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// apply the transform that we get from whatever the transformer callback
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// gives us
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raylib::Matrix transform = transformer(model.GetTransform());
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// default scale doesn't render correctly, so scale the model by 10 if the
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// spacebar is pressed
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if (scaleModel) {
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transform = transform.Scale(10);
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}
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// apply the transform that we got from the transformer to the model
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model.SetTransform(transform);
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// draw the model, passing the origin and default scale as arguments since
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// the transform is already applied to the model
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model.Draw({ 0, 0, 0 }, 1.0f, raylib::Color::White());
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// get the bounding box of the model after applying the transform
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auto box = model.GetTransformedBoundingBox();
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// draw the bounding box of the model using raylib's built in function
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DrawBoundingBox(box, raylib::Color::White());
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// restore the model's transform to its original state so that the next time we
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// draw the model, it doesn't have the previous transform applied to it
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model.SetTransform(oldTransform);
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}
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int main() {
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raylib::Window window(800, 600, "CS381 - Assignment 2");
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window.SetState(FLAG_WINDOW_RESIZABLE);
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raylib::Model penguin("models/penguin.glb");
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raylib::Model eagle("models/eagle.glb");
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raylib::Camera3D camera(
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{ 0, 120, 500 },
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{ 0, 0, -1 },
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{ 0, 1, 0 },
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45.0f);
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window.SetTargetFPS(60); // save cpu cycles
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while (!window.ShouldClose()) {
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window.BeginDrawing();
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window.ClearBackground(raylib::Color::Gray());
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camera.BeginMode();
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if (raylib::Keyboard::IsKeyPressed(KEY_SPACE)) {
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scaleModel = !scaleModel;
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}
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// in addition to the required transforms, the models will rotate 10
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// degrees per second (extra credit), and the penguin is scaled by 30
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// eagle scaled by 10
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// Draw one eagle located at (0, 0, 0), default scale, and with default
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// orientation (10 points).
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DrawBoundedModel(eagle, [](raylib::Matrix transform) {
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return transform
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.RotateY(GetTime() * raylib::Degree(10.0f))
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.Scale(10.0);
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});
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// Draw one eagle located at (−100, 100, 0), scaled by (1, −1, 1), and
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// yawed by 180 degrees (10 points).
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DrawBoundedModel(eagle, [](raylib::Matrix transform) {
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return transform
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.Translate(-100.0f, 100.0f, 0.0f)
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.Scale(1.0f, -1.0f, 1.0f)
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.RotateY(raylib::Degree(180.0f))
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.Scale(10.0)
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.RotateY(GetTime() * raylib::Degree(10.0f));
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});
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// Draw one penguin located at (−200, 0, 0) with default orientation (10
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// points).
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DrawBoundedModel(penguin, [](raylib::Matrix transform) {
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return transform
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.Translate(-200.0f, 0.0f, 0.0f)
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.Scale(30.0f);
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});
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// Draw one penguin located at (200, 0, 0) and be yawed 90 degrees (10
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// points).
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DrawBoundedModel(penguin, [](raylib::Matrix transform) {
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return transform
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.Translate(200.0f, 0.0f, 0.0f)
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.RotateY(raylib::Degree(90.0f))
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.Scale(30.0)
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.RotateY(GetTime() * raylib::Degree(10.0f));
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});
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// Penguin 3: at (100,100,0), scaled by (1,2,1) and yawed 270 degrees
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DrawBoundedModel(penguin, [](raylib::Matrix transform) {
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return transform
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.Translate(100.0f, 100.0f, 0.0f)
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.Scale(1.0f, 2.0f, 1.0f)
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.RotateY(raylib::Degree(270.0f))
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.Scale(30.0)
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.RotateY(GetTime() * raylib::Degree(10.0f));
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});
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camera.EndMode();
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window.EndDrawing();
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}
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return 0;
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}
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