From a556b45abf18f1bd509daaf63b66b7d55e9fd291 Mon Sep 17 00:00:00 2001
From: jjesswan <jessica_wan@brown.edu>
Date: Mon, 22 Apr 2024 21:56:26 -0400
Subject: add engine version

---
 engine-ocean/Graphics/modeltransform.cpp | 90 ++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 engine-ocean/Graphics/modeltransform.cpp

(limited to 'engine-ocean/Graphics/modeltransform.cpp')

diff --git a/engine-ocean/Graphics/modeltransform.cpp b/engine-ocean/Graphics/modeltransform.cpp
new file mode 100644
index 0000000..895f64d
--- /dev/null
+++ b/engine-ocean/Graphics/modeltransform.cpp
@@ -0,0 +1,90 @@
+#include "modeltransform.h"
+#include <iostream>
+
+ModelTransform::ModelTransform():
+    m_pos(glm::vec3(0)),
+    m_scale(glm::vec3(1)),
+    m_rotation(glm::mat4(1))
+{
+
+}
+
+ModelTransform::~ModelTransform(){
+
+}
+
+void ModelTransform::setPos(glm::vec3 pos){
+    m_pos = pos;
+}
+
+void ModelTransform::translate(glm::vec3 delta) {
+    m_pos += delta;
+}
+
+glm::vec3 ModelTransform::getPos() {
+    return m_pos;
+}
+
+void ModelTransform::setScale(glm::vec3 scale) {
+    m_scale = scale;
+}
+
+void ModelTransform::setScale(float scale) {
+    m_scale = glm::vec3(scale);
+}
+
+void ModelTransform::scale(glm::vec3 scale) {
+    m_scale *= scale;
+}
+
+void ModelTransform::scale(float scale) {
+    m_scale *= scale;
+}
+
+glm::vec3 ModelTransform::getScale() {
+    return m_scale;
+}
+
+void ModelTransform::setRotation(float angle, glm::vec3 axis) {
+    m_rotation = glm::rotate(glm::mat4(1), angle, axis);
+}
+
+void ModelTransform::setRotation(glm::mat4 r) {
+    m_rotation = r;
+}
+
+void ModelTransform::rotate(float angle, glm::vec3 axis) {
+    m_rotation = glm::rotate(m_rotation, angle, axis);
+}
+
+void ModelTransform::rotate(glm::mat4 r) {
+    m_rotation = r * m_rotation;
+}
+
+glm::mat4 ModelTransform::getRotation() {
+    return m_rotation;
+}
+
+//float ModelTransform::getYRotationAngle(){
+//    glm::mat4 rotMat = getRotation();
+//    float ry0 = rotMat[0][2];
+//    float ry1 = rotMat[1][2];
+//    float ry2 = rotMat[2][2];
+
+//    float angley = std::atan2(-ry0, pow((pow(ry1, 2) + pow(ry2,2)), .5));
+//    return angley;
+//}
+
+glm::mat4 ModelTransform::getModelMatrix() {
+    glm::mat4 model = glm::mat4(1);
+    model = glm::translate(model, m_pos);
+    model = model * m_rotation;
+    model = glm::scale(model, m_scale);
+    return model;
+}
+
+void ModelTransform::clear(){
+    m_pos = glm::vec3(0, 0, 0);
+    m_scale = glm::vec3(1, 1, 1);
+    m_rotation = glm::mat4(1);
+}
-- 
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