SpotLight.cpp

#include "SpotLight.h"



SpotLight::SpotLight():PointLight()
{
	direction = glm::vec3(0.0f, -1.0f, 0.0f);
	edge = 0.0f;
	procEdge = cosf(glm::radians(edge));
}

SpotLight::SpotLight(GLfloat red, GLfloat green, GLfloat blue,
									GLfloat aIntensity, GLfloat dIntensity, 
									GLfloat xPos, GLfloat yPos, GLfloat zPos, 
									GLfloat xDir, GLfloat yDir, GLfloat zDir, 
									GLfloat con, GLfloat lin, GLfloat exp, 
									GLfloat edg) : PointLight(red,green,blue,aIntensity,dIntensity,xPos,yPos,zPos,con,lin,exp)
{
	direction = glm::normalize(glm::vec3(xDir, yDir, zDir));
	edge = edg;
	procEdge = cosf(glm::radians(edge));
}

void SpotLight::UseLight(GLuint ambientIntensityLocaiton, GLuint ambientColourLocation,
							GLuint diffuseIntensityLocation, GLuint positionLocation, GLuint directionLocation,
							GLuint constantLocation, GLuint linearLocation, GLuint exponentLocation, 
							GLuint edgeLocation)
{
	glUniform3f(ambientColourLocation, colour.x, colour.y, colour.z);
	glUniform1f(ambientIntensityLocaiton, ambientIntensity);
	glUniform1f(diffuseIntensityLocation, diffuseIntensity);
	glUniform3f(positionLocation, position.x, position.y, position.z);
	glUniform1f(constantLocation, constant);
	glUniform1f(linearLocation, linear);
	glUniform1f(exponentLocation, exponent);

	glUniform3f(directionLocation, direction.x, direction.y, direction.z);
	glUniform1f(edgeLocation, procEdge);
}


void SpotLight::setFlash(glm::vec3 pos, glm::vec3 dir)
{
	position = pos;
	direction = dir;
}

SpotLight::~SpotLight()
{
}