void Day41App::setup()
{
mCam.lookAt(vec3(0,0,5), vec3(0., 1.5, 0.));
mCam.setPerspective(45.f, getWindowAspectRatio(), 1.f, 1000.f);
auto img = loadImage(loadAsset("box.png"));
auto img1 = loadImage(loadAsset("box_spec.png"));
mDiffuseMap = gl::Texture2d::create(img);
mSpecularMap = gl::Texture2d::create(img1);
mDiffuseMap->bind(0);
mSpecularMap->bind(1);
lightPos = vec3(0.f);
theta = 0.0;
setupGlsl();
mCamUi = CameraUi(&mCam, getWindow());
auto cube = geom::Cube();
mBatch = gl::Batch::create(cube, mGlsl);
auto sphere = geom::Sphere();
auto scale = geom::Scale(0.1f,0.1f,0.1f);
auto shader = gl::ShaderDef().color();
auto rotate = geom::Rotate(angleAxis(2.1f, vec3(1.0,0.,0.f)));
mLight = gl::Batch::create(sphere >> scale >> rotate, gl::getStockShader(shader));
gl::enableDepthRead();
gl::enableDepthWrite();
}
void Day62App::loadImage()
{
auto pic = cinder::loadImage(loadAsset("window.png"));
gl::Texture2d::Format fmt;
//SET THE INTERNAL FORMAT TO RGBA SO THAT WE CAN TEST THE ALPHA VALUE IN THE FRAG SHADER
fmt.internalFormat(GL_RGBA);
fmt.wrap(GL_CLAMP_TO_EDGE);
// fmt.wrapS(GL_REPEAT);
// fmt.wrapT(GL_REPEAT);
// fmt.setMinFilter(GL_LINEAR_MIPMAP_LINEAR);
// fmt.setMagFilter(GL_LINEAR);
mTex = gl::Texture2d::create(pic, fmt);
mTex->bind();
}
void Day8App::setup()
{
mCam.lookAt(vec3(3,2,3), vec3(0));
auto img = loadImage(loadAsset("texture.jpg"));
setFrameRate(60);
mTex = gl::Texture2d::create(img);
mTex->bind(0);
/* THIS SHADER PROGRAM IS FOR MULTIPLYING THE TEXTURE BY THE COLOUR
mGlsl = gl::GlslProg::create( gl::GlslProg::Format().
vertex( CI_GLSL(150,
uniform mat4 ciModelViewProjection;
in vec4 ciPosition;
in vec2 ciTexCoord0; //THIS COMES FROM CINDER AUTOMATICALLY FROM geom::Attrib::TEX_COORD_0
out vec2 TexCoord0; //SEND IT TO THE FRAG SHADER
void main(void)
{
gl_Position = ciModelViewProjection * ciPosition;
TexCoord0 = ciTexCoord0;
})).
fragment( CI_GLSL(150,
uniform vec4 uColor;
uniform sampler2D uTex0;
in vec2 TexCoord0;
out vec4 oColor;
void main(void)
{
oColor = texture(uTex0, TexCoord0) * uColor;
})
));
*/
mGlsl = gl::GlslProg::create( gl::GlslProg::Format().
vertex( CI_GLSL(150,
uniform mat4 ciModelViewProjection;
uniform vec2 uRes;
in vec4 ciPosition;
in vec2 ciTexCoord0;
out vec2 TexCoord0;
uniform float uAngle; //VARIABLE FROM THE CPU FOR MODULATING THE SINE WAVE
/*
float offset(vec2 uv)
{
//return (sin(uv.x * 15.0) +
// cos(uv.y * 7.0f +uv.x * 13.0f )) * 0.1f;
vec4 pos = ciPosition;
float z = sin(uAng
return cos(sqrt( uv.x * uv.x + uv.y * uv.y));
}
*/
void main(void)
{
vec4 pos = ciPosition;
pos.y = sin(uAngle * sqrt(pow(pos.x,2) + pow(pos.z,2))) / 5.;
gl_Position = ciModelViewProjection * pos;
TexCoord0 = ciTexCoord0;
}