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 xPosition, GLfloat yPosition, GLfloat zPosition,
	GLfloat xDirection, GLfloat yDirection, GLfloat zDirection,
	GLfloat con, GLfloat lin, GLfloat exp,
	GLfloat edg) : PointLight(red, green, blue, aIntensity, dIntensity, xPosition, yPosition, zPosition, con, lin, exp)
{
	direction = glm::normalize(glm::vec3(xDirection, yDirection, zDirection));
	edge = edg;
	procEdge = cosf(glm::radians(edge));
}

void SpotLight::UseLight(GLuint ambientIntensityLocation, 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(ambientIntensityLocation, 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()
{
}