From fee4cbf40b07e17eca676b4687c51313f7cfdd2e Mon Sep 17 00:00:00 2001
From: unknown <paulx161@umn.edu>
Date: Thu, 4 Feb 2021 18:37:17 -0600
Subject: Added example projects from lecture

---
 dev/rays/example.cc | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 dev/rays/example.cc

(limited to 'dev/rays/example.cc')

diff --git a/dev/rays/example.cc b/dev/rays/example.cc
new file mode 100644
index 0000000..bfccb05
--- /dev/null
+++ b/dev/rays/example.cc
@@ -0,0 +1,80 @@
+/** CSci-4611 In-Class Example */
+
+#include "example.h"
+
+#include "config.h"
+
+#include <iostream>
+#include <sstream>
+
+
+
+Example::Example() : GraphicsApp(1024,768, "MinGfx Example") {
+    // Define a search path for finding data files (images and shaders)
+    search_path_.push_back(".");
+    search_path_.push_back("./data");
+    search_path_.push_back(DATA_DIR_INSTALL);
+    search_path_.push_back(DATA_DIR_BUILD);
+}
+
+
+Example::~Example() {
+}
+
+
+void Example::UpdateSimulation(double dt)  {
+    cam_.UpdateSimulation(dt, window());
+}
+
+// You can look around, like in minecraft, by dragging with the right mouse button.
+void Example::OnRightMouseDrag(const Point2& mouse_in_pixels, const Vector2& delta_in_pixels) {
+    Vector2 delta_in_ndc = PixelsToNormalizedDeviceCoords(delta_in_pixels);
+    cam_.OnMouseMove(delta_in_ndc);
+}
+
+
+
+
+void Example::OnLeftMouseDown(const Point2& mouse_in_pixels) {
+
+}
+
+void Example::OnLeftMouseDrag(const Point2& mouse_in_pixels, const Vector2& delta_in_pixels) {
+
+}
+
+void Example::OnLeftMouseUp(const Point2& mouse_in_pixels) {
+
+}
+
+
+
+
+
+
+void Example::InitOpenGL() {
+    // Set up the camera in a good position to see the entire scene
+    proj_matrix_ = Matrix4::Perspective(60.0f, aspect_ratio(), 0.01f, 100.0f);
+    cam_.set_view_matrix(Matrix4::LookAt(Point3(0,0,3), Point3(0,0,0), Vector3(0,1,0)));
+    glClearColor(1,1,1,1);
+ 
+    // load textures and shaders
+    dart_tex_.InitFromFile(Platform::FindFile("dartboard.jpg", search_path_));
+}
+
+
+void Example::DrawUsingOpenGL() {
+    Matrix4 view_matrix = cam_.view_matrix();
+
+    // draws a set of axes at the world origin, since we are passing the identity
+    // matrix for the "model" matrix.
+    Matrix4 identity;
+    quick_shapes_.DrawAxes(identity, view_matrix, proj_matrix_);
+
+    Matrix4 boardTransform = Matrix4::RotationX(GfxMath::ToRadians(90));
+    quick_shapes_.DrawSquare(boardTransform, view_matrix, proj_matrix_, Color(1, 1, 1), dart_tex_);
+}
+
+
+
+
-- 
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