63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
#include "MatrixStack.h"
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agl::MatrixStack::MatrixStack(bool loadWithIdentity) {
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if(loadWithIdentity)
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loadIdentity();
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}
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void agl::MatrixStack::multTopByMatrix(glm::mat4 mat) {
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glm::mat4 top = stack.top();
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stack.pop();
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stack.push(mat * top);
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}
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void agl::MatrixStack::push() {
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stack.push(stack.top());
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}
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void agl::MatrixStack::pop() {
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if(!stack.empty())
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stack.pop();
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else
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printf("no");
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}
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void agl::MatrixStack::translate(float x, float y, float z) {
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multTopByMatrix(glm::translate(glm::mat4(1.0), glm::vec3(x,y,z)));
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}
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void agl::MatrixStack::translate(glm::vec3 vec) {
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multTopByMatrix(glm::translate(glm::mat4(1.0), vec));
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}
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void agl::MatrixStack::scale(float x, float y, float z) {
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multTopByMatrix(glm::scale(glm::mat4(1.0), glm::vec3(x,y,z)));
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}
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void agl::MatrixStack::scale(glm::vec3 vec) {
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multTopByMatrix(glm::scale(glm::mat4(1.0), vec));
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}
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void agl::MatrixStack::rotatex(float ang) {
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multTopByMatrix(glm::rotate(glm::mat4(1.0), ang, glm::vec3(1,0,0)));
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}
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void agl::MatrixStack::rotatey(float ang) {
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multTopByMatrix(glm::rotate(glm::mat4(1.0), ang, glm::vec3(0,1,0)));
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}
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void agl::MatrixStack::rotatez(float ang) {
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multTopByMatrix(glm::rotate(glm::mat4(1.0), ang, glm::vec3(0,0,1)));
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}
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void agl::MatrixStack::loadIdentity() {
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stack.push(glm::mat4(1.0));
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}
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glm::mat4 agl::MatrixStack::top() {
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if(!stack.empty())
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return stack.top();
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}
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agl::MatrixStack::~MatrixStack() {
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} |