JamesFlare/CSCI-1200
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actually we need to let 7 take over 5

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This commit is contained in:
Jidong Xiao
2025-03-26 11:58:57 -04:00
committed by JamesFlare
parent cc162dff6f
commit 8e9b9675bf
1 changed files with 14 additions and 15 deletions
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29
animations/trees/delete_node/delete_node.js
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@@ -366,27 +366,26 @@ function nextstep() {
layer.draw(); layer.draw();
}else if(key == 5){ }else if(key == 5){
if(pc==1){ if(pc==1){
// highlight 7.5 // highlight 7 (the left most node of the right subtree)
stage.find('#node_'+7.5).fill("orange"); stage.find('#node_'+7).fill("orange");
layer.draw(); layer.draw();
pc = pc + 1; pc = pc + 1;
}else if(pc==2){ }else if(pc==2){
// update 5 to 7.5 // update 5 to 7
stage.find('#node_text_'+5).text("7.5"); stage.find('#node_text_'+5).text("7");
// move 7.5 to 5
//stage.find('#node_'+7.5).x(650);
//stage.find('#node_'+7.5).y(100);
//stage.find('#node_text_'+7.5).x(645);
//stage.find('#node_text_'+7.5).y(90);
layer.draw(); layer.draw();
pc = pc + 1; pc = pc + 1;
}else if(pc==3){ }else if(pc==3){
// and then hide 7.5 node, and show a NULL pointer. // and then delete 7 - let 7.5 take over
stage.find('#node_'+7.5).hide(); line7.hide();
stage.find('#node_text_'+7.5).hide(); stage.find('#node_'+7).hide();
stage.find('#nullptr').x(770); stage.find('#node_text_'+7).hide();
stage.find('#nullptr').y(390); // move 7.5 to 7
stage.find('#nullptr').show(); stage.find('#node_'+7.5).x(700);
stage.find('#node_'+7.5).y(300);
stage.find('#node_text_'+7.5).x(695);
stage.find('#node_text_'+7.5).y(290);
hidden_7=1;
layer.draw(); layer.draw();
pc = pc + 1; pc = pc + 1;
} }