transformers/shading.cpp at master · aruncodes/transformers · GitHub

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#include <cstdlib>
#include <iostream>
#include <GL/glew.h>
#include "shading.hpp"


void DirectionalLight::initScene()
{
	glLightfv(light_enum, GL_POSITION, light_position);
	glLightfv(light_enum, GL_AMBIENT, light_ambient);
	glLightfv(light_enum, GL_DIFFUSE, light_diffuse);
	glLightfv(GL_FRONT, GL_SPECULAR, light_specular);


	if(light){
		glEnable(light_enum);
	}
	else
		glDisable(light_enum);

}

void SpotLight::initScene()
{

	glLightfv(light_enum, GL_POSITION, light_position);
	glLightfv(light_enum, GL_DIFFUSE, light_diffuse);
	glLightfv(light_enum, GL_SPECULAR, light_specular);

	glLightfv(light_enum, GL_SPOT_DIRECTION, spot_direction);
	glLightf(light_enum, GL_SPOT_EXPONENT,10.0);
	glLightf(light_enum, GL_SPOT_CUTOFF,15.0);

	if(light){
		glEnable(light_enum);
	}
	else
		glDisable(light_enum);

}

void Light::updatePosition(double x,double y,double z) {
	light_position[0] = x;
	light_position[1] = y;
	light_position[2] = z;
}

void SpotLight::updateDirection(double x,double y,double z) {
	spot_direction[0] = x;
	spot_direction[1] = y;
	spot_direction[2] = z;
}