add support for multiple textures in one part
Also added open/closed states for mouth
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face-eyes.png
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face-eyes.png
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face-mouth-closed.png
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face-mouth-closed.png
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face-mouth-open.png
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face-mouth-open.png
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head-face.png
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head-face.png
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@ -16,7 +16,7 @@ GLuint shader; //standard shader program used for all elements
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GLuint transUniform; //location of the "transMatrix" transformation matrix uniform in the shader
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//parts of the model (see modelpart.hpp)
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ModelPart parts[2];
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ModelPart parts[3];
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void display () {
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glClear(GL_COLOR_BUFFER_BIT);
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@ -78,7 +78,9 @@ void initGraphics () {
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initShader();
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parts[0] = ModelPart("head-base.png", transUniform);
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parts[1] = ModelPart("head-face.png", transUniform);
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parts[1] = ModelPart("face-eyes.png", transUniform);
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parts[2] = ModelPart("face-mouth-closed.png", transUniform);
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parts[2].addTexture("face-mouth-open.png", 1);
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//enable blending for alpha textures
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glEnable(GL_BLEND);
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@ -173,10 +175,14 @@ void initModel () {
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}
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void updateModel(glm::vec2 headPos, glm::vec2 facePos) {
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void updateModel(glm::vec2 headPos, glm::vec2 facePos, bool mouthOpen) {
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//calculate transforms
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parts[0].setPosition(headPos);
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parts[1].setPosition(facePos);
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parts[2].setPosition(facePos);
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//set mouth texture to open or closed
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parts[2].selectTexture(mouthOpen ? 1 : 0);
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//tell FreeGLUT to schedule a screen update
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glutPostRedisplay();
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@ -16,6 +16,6 @@ void initShader();
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void printShaderCompileLog(GLuint shader);
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void updateModel(glm::vec2 headPos, glm::vec2 facePos);
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void updateModel(glm::vec2 headPos, glm::vec2 facePos, bool mouthOpen);
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#endif
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@ -3,10 +3,12 @@
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#include <graphics.hpp>
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#include <iostream>
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int main () {
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initGraphics();
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cv::CascadeClassifier faceDetector ("haarcascade_frontalface_alt2.xml");
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cv::CascadeClassifier faceDetector ("lbpcascade_frontalface_improved.xml");
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cv::Ptr<cv::face::Facemark> facemark = cv::face::FacemarkLBF::create();
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facemark->loadModel ("lbfmodel.yaml");
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@ -51,6 +53,8 @@ int main () {
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(landmarks[biggestFace][2].y + landmarks[biggestFace][14].y) / 2
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), 6, cv::Scalar(0, 0, 255));
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cv::circle (frame, landmarks[biggestFace][30], 6, cv::Scalar (0, 255, 255));
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cv::circle (frame, landmarks[biggestFace][66], 3, cv::Scalar (0, 255, 0));
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cv::circle (frame, landmarks[biggestFace][62], 3, cv::Scalar (0, 255, 0));
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//send control information to graphics
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updateModel(glm::vec2(
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@ -62,7 +66,8 @@ int main () {
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glm::vec2(
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landmarks[biggestFace][30].x * 2 / (float)frame.cols - 1,
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landmarks[biggestFace][30].y * 2 / (float)frame.rows - 1
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));
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),
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landmarks[biggestFace][66].y - landmarks[biggestFace][62].y > 5);
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}
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graphicsFrame ();
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@ -14,18 +14,29 @@ ModelPart::ModelPart(const char* texPath, GLuint transUniformNum) {
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//create vbo, ebo, vao
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initBuffers(&vao);
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//create texture
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initTexture(&tex, texPath);
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initTexture(&tex[0], texPath);
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transUniform = transUniformNum;
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empty = false;
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}
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void ModelPart::bindAndDraw() {
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if (empty) { return; }
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glBindVertexArray(vao);
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glBindTexture(GL_TEXTURE_2D, tex);
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glBindTexture(GL_TEXTURE_2D, tex[texSelection]);
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glUniformMatrix4fv(transUniform, 1, GL_FALSE, glm::value_ptr(transMatrix));
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glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
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}
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void ModelPart::setPosition(glm::vec2 position) {
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transMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(position.x, position.y, 0.0f));
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transMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(position.x, -position.y, 0.0f));
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}
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void ModelPart::addTexture(const char* texPath, size_t slot) {
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initTexture(&tex[slot], texPath);
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}
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void ModelPart::selectTexture(size_t slot) {
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texSelection = slot;
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}
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@ -4,8 +4,14 @@
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#include <glm/ext/matrix_transform.hpp>
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class ModelPart {
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GLuint vao, tex, transUniform;
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GLuint vao, transUniform;
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GLuint tex[16]; //support 16 textures to switch between
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size_t texSelection = 0;
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glm::mat4 transMatrix = glm::mat4(1.0f);
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bool empty = true;
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public:
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ModelPart();
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@ -15,6 +21,10 @@ class ModelPart {
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void bindAndDraw();
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void setPosition(glm::vec2 position);
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void addTexture(const char* texPath, size_t slot);
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void selectTexture(size_t slot);
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};
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#endif
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