Miroslaw K. / Mbed 2 deprecated 3DDemo

Example of using "Canvas" form "Graphics" library to display 3D graphics.

Dependencies:   BSP_DISCO_F746NG Graphics mbed

Models/Pyramid.cpp@3:aca7fe2d44b3, 2016-11-11 (annotated)

Committer:
karpent
Date:
Fri Nov 11 17:06:53 2016 +0000
Revision:
3:aca7fe2d44b3
New 3d models added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
karpent 3:aca7fe2d44b3 1 //
karpent 3:aca7fe2d44b3 2 // Pyramid.cpp - example of usage graphics commands to create 3D graphics.
karpent 3:aca7fe2d44b3 3 //
karpent 3:aca7fe2d44b3 4 // This example is based on code written by
karpent 3:aca7fe2d44b3 5 // Fabio de Albuquerque Dela Antonio (fabio914 at gmail.com)
karpent 3:aca7fe2d44b3 6 // See : https://github.com/fabio914/arduinogl/blob/master/examples
karpent 3:aca7fe2d44b3 7 //
karpent 3:aca7fe2d44b3 8
karpent 3:aca7fe2d44b3 9 #include "Pyramid.h"
karpent 3:aca7fe2d44b3 10
karpent 3:aca7fe2d44b3 11 // Constructor
karpent 3:aca7fe2d44b3 12 Pyramid::Pyramid(Display * display) : Model()
karpent 3:aca7fe2d44b3 13 {
karpent 3:aca7fe2d44b3 14 glUseCanvas(display);
karpent 3:aca7fe2d44b3 15 }
karpent 3:aca7fe2d44b3 16
karpent 3:aca7fe2d44b3 17 /**
karpent 3:aca7fe2d44b3 18 * @brief Model setup.
karpent 3:aca7fe2d44b3 19 * @retval None
karpent 3:aca7fe2d44b3 20 */
karpent 3:aca7fe2d44b3 21 void Pyramid::Setup()
karpent 3:aca7fe2d44b3 22 {
karpent 3:aca7fe2d44b3 23 SetFixedScaleMode(2.5);
karpent 3:aca7fe2d44b3 24
karpent 3:aca7fe2d44b3 25 glPointSize(4);
karpent 3:aca7fe2d44b3 26
karpent 3:aca7fe2d44b3 27 glMatrixMode(GL_PROJECTION);
karpent 3:aca7fe2d44b3 28 glLoadIdentity();
karpent 3:aca7fe2d44b3 29
karpent 3:aca7fe2d44b3 30 gluPerspective(30.0, 1.7647f, 0.1f, 9999.f);
karpent 3:aca7fe2d44b3 31
karpent 3:aca7fe2d44b3 32 glMatrixMode(GL_MODELVIEW);
karpent 3:aca7fe2d44b3 33 }
karpent 3:aca7fe2d44b3 34
karpent 3:aca7fe2d44b3 35 /**
karpent 3:aca7fe2d44b3 36 * @brief Renders a model for given view angle and scale.
karpent 3:aca7fe2d44b3 37 * @param None
karpent 3:aca7fe2d44b3 38 * @retval None
karpent 3:aca7fe2d44b3 39 */
karpent 3:aca7fe2d44b3 40 void Pyramid::Render()
karpent 3:aca7fe2d44b3 41 {
karpent 3:aca7fe2d44b3 42 float scale = GetScaleValue();
karpent 3:aca7fe2d44b3 43
karpent 3:aca7fe2d44b3 44 glLoadIdentity();
karpent 3:aca7fe2d44b3 45 gluLookAt(10, 8, -10, 0, 0, 0, 0, 1, 0);
karpent 3:aca7fe2d44b3 46
karpent 3:aca7fe2d44b3 47 glRotatef(GetAngleValue(), 0.f, 1.f, 0.f);
karpent 3:aca7fe2d44b3 48 glScalef(scale, scale, scale);
karpent 3:aca7fe2d44b3 49
karpent 3:aca7fe2d44b3 50 DrawModel();
karpent 3:aca7fe2d44b3 51 }
karpent 3:aca7fe2d44b3 52
karpent 3:aca7fe2d44b3 53
karpent 3:aca7fe2d44b3 54
karpent 3:aca7fe2d44b3 55 void Pyramid::DrawModel()
karpent 3:aca7fe2d44b3 56 {
karpent 3:aca7fe2d44b3 57
karpent 3:aca7fe2d44b3 58 /* 3 triangles instead of 4 */
karpent 3:aca7fe2d44b3 59 glBegin(GL_TRIANGLE_STRIP);
karpent 3:aca7fe2d44b3 60 glVertex3f(-1, -1, -1);
karpent 3:aca7fe2d44b3 61 glVertex3f(1, -1, -1);
karpent 3:aca7fe2d44b3 62 glVertex3f(0, 1, 0);
karpent 3:aca7fe2d44b3 63 glVertex3f(1, -1, 1);
karpent 3:aca7fe2d44b3 64 glVertex3f(-1, -1, 1);
karpent 3:aca7fe2d44b3 65 glEnd();
karpent 3:aca7fe2d44b3 66
karpent 3:aca7fe2d44b3 67 glBegin(GL_POLYGON);
karpent 3:aca7fe2d44b3 68 glVertex3f(-1, -1, 1);
karpent 3:aca7fe2d44b3 69 glVertex3f(1, -1, 1);
karpent 3:aca7fe2d44b3 70 glVertex3f(1, -1, -1);
karpent 3:aca7fe2d44b3 71 glVertex3f(-1, -1, -1);
karpent 3:aca7fe2d44b3 72 glEnd();
karpent 3:aca7fe2d44b3 73 }