Example usage for org.eclipse.swt.opengl GL glLoadIdentity

Introduction

In this page you can find the example usage for org.eclipse.swt.opengl GL glLoadIdentity.

Prototype

public static native void glLoadIdentity();

Source Link

Usage

From source file:org.eclipse.swt.snippets.Snippet174.java

static void render() {
    GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
    GL.glLoadIdentity();
    GL.glTranslatef(0.0f, 0.0f, -6.0f);//  www . ja v a 2s.c om
    GL.glBegin(GL.GL_QUADS);
    GL.glVertex3f(-1.0f, 1.0f, 0.0f);
    GL.glVertex3f(1.0f, 1.0f, 0.0f);
    GL.glVertex3f(1.0f, -1.0f, 0.0f);
    GL.glVertex3f(-1.0f, -1.0f, 0.0f);
    GL.glEnd();
}

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From source file:org.eclipse.swt.snippets.Snippet174.java

static void resize(GLCanvas canvas) {
    canvas.setCurrent();/*from  ww w .  ja v  a  2  s.co m*/
    Rectangle rect = canvas.getClientArea();
    int width = rect.width;
    int height = Math.max(rect.height, 1);
    GL.glViewport(0, 0, width, height);
    GL.glMatrixMode(GL.GL_PROJECTION);
    GL.glLoadIdentity();
    float aspect = (float) width / (float) height;
    GLU.gluPerspective(45.0f, aspect, 0.5f, 400.0f);
    GL.glMatrixMode(GL.GL_MODELVIEW);
    GL.glLoadIdentity();
}

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From source file:org.eclipse.swt.snippets.Snippet174.java

static void resize(Canvas canvas) {
    Rectangle rect = canvas.getClientArea();
    int width = rect.width;
    int height = Math.max(rect.height, 1);
    GL.glViewport(0, 0, width, height);/*from  w  ww  .  ja v a2 s  .  c  o m*/
    GL.glMatrixMode(GL.GL_PROJECTION);
    GL.glLoadIdentity();
    float aspect = (float) width / (float) height;
    GLU.gluPerspective(45.0f, aspect, 0.5f, 400.0f);
    GL.glMatrixMode(GL.GL_MODELVIEW);
    GL.glLoadIdentity();
}

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