Diff: Models/Pyramid.cpp

Revision:

3:aca7fe2d44b3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Models/Pyramid.cpp	Fri Nov 11 17:06:53 2016 +0000
@@ -0,0 +1,73 @@
+//
+// Pyramid.cpp - example of usage graphics commands to create 3D graphics.
+//
+// This example is based on code written by
+// Fabio de Albuquerque Dela Antonio (fabio914 at gmail.com)
+// See : https://github.com/fabio914/arduinogl/blob/master/examples
+//
+
+#include "Pyramid.h"
+
+// Constructor
+Pyramid::Pyramid(Display * display) : Model()
+{
+    glUseCanvas(display);
+}
+
+/**
+* @brief  Model setup.
+* @retval None
+*/
+void Pyramid::Setup()
+{
+    SetFixedScaleMode(2.5);
+    
+    glPointSize(4);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+
+    gluPerspective(30.0, 1.7647f, 0.1f, 9999.f);
+
+    glMatrixMode(GL_MODELVIEW);
+}
+
+/**
+* @brief  Renders a model for given view angle and scale.
+* @param  None
+* @retval None
+*/
+void Pyramid::Render()
+{
+    float scale = GetScaleValue();
+    
+    glLoadIdentity();
+    gluLookAt(10, 8, -10, 0, 0, 0, 0, 1, 0);
+
+    glRotatef(GetAngleValue(), 0.f, 1.f, 0.f);
+    glScalef(scale, scale, scale);
+
+    DrawModel();
+}
+
+
+
+void Pyramid::DrawModel()
+{
+
+    /* 3 triangles instead of 4 */
+    glBegin(GL_TRIANGLE_STRIP);
+    glVertex3f(-1, -1, -1);
+    glVertex3f(1, -1, -1);
+    glVertex3f(0, 1, 0);
+    glVertex3f(1, -1, 1);
+    glVertex3f(-1, -1, 1);
+    glEnd();
+
+    glBegin(GL_POLYGON);
+    glVertex3f(-1, -1, 1);
+    glVertex3f(1, -1, 1);
+    glVertex3f(1, -1, -1);
+    glVertex3f(-1, -1, -1);
+    glEnd();
+}
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