// -----------------------------------------------------------------------
// CONSTRUCTOR:
// -----------------------------------------------------------------------
// ! Constructor of cMaterial.
public JMaterial() {
// default graphic settings
ambient = new JColorf();
ambient.set(0.5f, 0.5f, 0.5f, 1.0f);
diffuse = new JColorf();
diffuse.set(0.7f, 0.7f, 0.7f, 1.0f);
specular = new JColorf();
specular.set(0.4f, 0.4f, 0.4f, 1.0f);
emission = new JColorf();
emission.set(0.4f, 0.4f, 0.4f, 1.0f);
shininess = 64;
// default haptic settings
viscosity = 0.0;
stiffness = 0.0;
staticFriction = 0.0;
dynamicFriction = 0.0;
vibrationFrequency = 0.0;
vibrationAmplitude = 0.0;
stickSlipForceMax = 0.0;
stickSlipStiffness = 0.0;
}
/** Render this material in OpenGL2. */
public void render() {
GL2 gl = GLContext.getCurrent().getGL().getGL2();
gl.glEnable(GL2.GL_COLOR_MATERIAL);
gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_AMBIENT, ambient.getComponents(), 0);
gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_DIFFUSE, diffuse.getComponents(), 0);
gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_SPECULAR, specular.getComponents(), 0);
gl.glMaterialfv(GL2.GL_FRONT_AND_BACK, GL2.GL_EMISSION, emission.getComponents(), 0);
gl.glMateriali(GL2.GL_FRONT_AND_BACK, GL2.GL_SHININESS, shininess);
}
/**
* //! set transparency level (sets the alpha value for all color properties).
*
* @param aLevelTransparency
*/
public void setTransparencyLevel(float aLevelTransparency) {
// make sur value is in range [0.0 - 1.0]
float level = JMaths.jClamp(aLevelTransparency, 0.0f, 1.0f);
// apply new value
ambient.setA(level);
diffuse.setA(level);
specular.setA(level);
emission.setA(level);
}
// ! tells you whether this material includes partial transparency.
public final boolean isTransparent() {
return (ambient.getA() < 1.0f
|| diffuse.getA() < 1.0f
|| specular.getA() < 1.0f
|| emission.getA() < 1.0f);
}
